df <- data.frame(
  BillID = 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"))
)
df
##   BillID 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
df$grossrevenue=df$Quantity*df$SellingPrice 
df
##   BillID CustomerName Gender Membership    Category Quantity CostPrice
## 1    501         Aman   Male       Gold     Grocery       10        50
## 2    502         Riya Female     Silver Electronics        1     20000
## 3    503        Karan   Male       Gold    Clothing        3       800
## 4    504         Neha Female       None     Grocery        8        60
## 5    505        Rohit   Male     Silver Electronics        2     18000
## 6    506       Simran Female       Gold    Clothing        5       700
##   SellingPrice Discount DeliveryType grossrevenue
## 1           70      100         Home          700
## 2        25000     2000        Store        25000
## 3         1000      150         Home         3000
## 4           80       50        Store          640
## 5        22000      500         Home        44000
## 6          900      300         Home         4500
df$totalcost=df$Quantity*df$CostPrice
df
##   BillID 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
df$netrev=df$grossrevenue-df$Discount
df
##   BillID CustomerName Gender Membership    Category Quantity CostPrice
## 1    501         Aman   Male       Gold     Grocery       10        50
## 2    502         Riya Female     Silver Electronics        1     20000
## 3    503        Karan   Male       Gold    Clothing        3       800
## 4    504         Neha Female       None     Grocery        8        60
## 5    505        Rohit   Male     Silver Electronics        2     18000
## 6    506       Simran Female       Gold    Clothing        5       700
##   SellingPrice Discount DeliveryType grossrevenue totalcost netrev
## 1           70      100         Home          700       500    600
## 2        25000     2000        Store        25000     20000  23000
## 3         1000      150         Home         3000      2400   2850
## 4           80       50        Store          640       480    590
## 5        22000      500         Home        44000     36000  43500
## 6          900      300         Home         4500      3500   4200
df$profit=df$netrev-df$totalcost
df
##   BillID 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 netrev 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