Retail<-data.frame(
  Bill_ID= c(501,502,503,504,505,506),
  customerName=c("Aman","Riya","Karan","Neha","Rohit","Simran"),
  Gender=factor(c("Male","Female","Male","Female","Male","Female")),
  membership= factor(c("Gold","Silver","Gold","None","Silver","Gold")),
  category=factor(c("Grocery","Electronics","Clothing","Grocery","Electronics","Clothing")),
  Quantity=c(10,1,3,8,2,5),
  CostPrice=c(50,20000,800,60,18000,700),
  SellingPrice=c(70,25000,1000,80,22000,900),
  Discount=c(100,2000,150,50,500,300),
  DeliveryType=factor(c("Home","Store","Home","Store","Home","Home"))
)
 Retail
##   Bill_ID customerName Gender membership    category Quantity CostPrice
## 1     501         Aman   Male       Gold     Grocery       10        50
## 2     502         Riya Female     Silver Electronics        1     20000
## 3     503        Karan   Male       Gold    Clothing        3       800
## 4     504         Neha Female       None     Grocery        8        60
## 5     505        Rohit   Male     Silver Electronics        2     18000
## 6     506       Simran Female       Gold    Clothing        5       700
##   SellingPrice Discount DeliveryType
## 1           70      100         Home
## 2        25000     2000        Store
## 3         1000      150         Home
## 4           80       50        Store
## 5        22000      500         Home
## 6          900      300         Home
 Retail$GrossRevenue<-Retail$Quantity*Retail$SellingPrice
Retail
##   Bill_ID customerName Gender membership    category Quantity CostPrice
## 1     501         Aman   Male       Gold     Grocery       10        50
## 2     502         Riya Female     Silver Electronics        1     20000
## 3     503        Karan   Male       Gold    Clothing        3       800
## 4     504         Neha Female       None     Grocery        8        60
## 5     505        Rohit   Male     Silver Electronics        2     18000
## 6     506       Simran Female       Gold    Clothing        5       700
##   SellingPrice Discount DeliveryType GrossRevenue
## 1           70      100         Home          700
## 2        25000     2000        Store        25000
## 3         1000      150         Home         3000
## 4           80       50        Store          640
## 5        22000      500         Home        44000
## 6          900      300         Home         4500
 Retail$TotalCost<-Retail$Quantity*Retail$CostPrice
 Retail
##   Bill_ID customerName Gender membership    category Quantity CostPrice
## 1     501         Aman   Male       Gold     Grocery       10        50
## 2     502         Riya Female     Silver Electronics        1     20000
## 3     503        Karan   Male       Gold    Clothing        3       800
## 4     504         Neha Female       None     Grocery        8        60
## 5     505        Rohit   Male     Silver Electronics        2     18000
## 6     506       Simran Female       Gold    Clothing        5       700
##   SellingPrice Discount DeliveryType GrossRevenue TotalCost
## 1           70      100         Home          700       500
## 2        25000     2000        Store        25000     20000
## 3         1000      150         Home         3000      2400
## 4           80       50        Store          640       480
## 5        22000      500         Home        44000     36000
## 6          900      300         Home         4500      3500
Retail$NetRevenue<-Retail$GrossRevenue-Retail$Discount
 Retail
##   Bill_ID customerName Gender membership    category Quantity CostPrice
## 1     501         Aman   Male       Gold     Grocery       10        50
## 2     502         Riya Female     Silver Electronics        1     20000
## 3     503        Karan   Male       Gold    Clothing        3       800
## 4     504         Neha Female       None     Grocery        8        60
## 5     505        Rohit   Male     Silver Electronics        2     18000
## 6     506       Simran Female       Gold    Clothing        5       700
##   SellingPrice Discount DeliveryType GrossRevenue TotalCost NetRevenue
## 1           70      100         Home          700       500        600
## 2        25000     2000        Store        25000     20000      23000
## 3         1000      150         Home         3000      2400       2850
## 4           80       50        Store          640       480        590
## 5        22000      500         Home        44000     36000      43500
## 6          900      300         Home         4500      3500       4200
Retail$Profit<-Retail$NetRevenue-Retail$TotalCost 
Retail
##   Bill_ID customerName Gender membership    category Quantity CostPrice
## 1     501         Aman   Male       Gold     Grocery       10        50
## 2     502         Riya Female     Silver Electronics        1     20000
## 3     503        Karan   Male       Gold    Clothing        3       800
## 4     504         Neha Female       None     Grocery        8        60
## 5     505        Rohit   Male     Silver Electronics        2     18000
## 6     506       Simran Female       Gold    Clothing        5       700
##   SellingPrice Discount DeliveryType GrossRevenue TotalCost NetRevenue Profit
## 1           70      100         Home          700       500        600    100
## 2        25000     2000        Store        25000     20000      23000   3000
## 3         1000      150         Home         3000      2400       2850    450
## 4           80       50        Store          640       480        590    110
## 5        22000      500         Home        44000     36000      43500   7500
## 6          900      300         Home         4500      3500       4200    700
 subset(Retail,membership=="Gold" & DeliveryType=="Home" & Profit>500)
##   Bill_ID customerName Gender membership category Quantity CostPrice
## 6     506       Simran Female       Gold Clothing        5       700
##   SellingPrice Discount DeliveryType GrossRevenue TotalCost NetRevenue Profit
## 6          900      300         Home         4500      3500       4200    700
 subset(Retail,membership=="Gold" | NetRevenue>20000)
##   Bill_ID customerName Gender membership    category Quantity CostPrice
## 1     501         Aman   Male       Gold     Grocery       10        50
## 2     502         Riya Female     Silver Electronics        1     20000
## 3     503        Karan   Male       Gold    Clothing        3       800
## 5     505        Rohit   Male     Silver Electronics        2     18000
## 6     506       Simran Female       Gold    Clothing        5       700
##   SellingPrice Discount DeliveryType GrossRevenue TotalCost NetRevenue Profit
## 1           70      100         Home          700       500        600    100
## 2        25000     2000        Store        25000     20000      23000   3000
## 3         1000      150         Home         3000      2400       2850    450
## 5        22000      500         Home        44000     36000      43500   7500
## 6          900      300         Home         4500      3500       4200    700