sales <- data.frame(
  BillID = c(501,502,503,504,505,506),
  CustomerName = c("Aman","Riya","Karan","Neha","Rohit","Simran"),
  Gender = c("Male","Female","Male","Female","Male","Female"),
  Membership = c("Gold","Silver","Gold","None","Silver","Gold"),
  Category = 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 = c("Home","Store","Home","Store","Home","Home")
)
sales
##   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
str(sales)
## 'data.frame':    6 obs. of  10 variables:
##  $ BillID      : num  501 502 503 504 505 506
##  $ CustomerName: chr  "Aman" "Riya" "Karan" "Neha" ...
##  $ Gender      : chr  "Male" "Female" "Male" "Female" ...
##  $ Membership  : chr  "Gold" "Silver" "Gold" "None" ...
##  $ Category    : chr  "Grocery" "Electronics" "Clothing" "Grocery" ...
##  $ Quantity    : num  10 1 3 8 2 5
##  $ CostPrice   : num  50 20000 800 60 18000 700
##  $ SellingPrice: num  70 25000 1000 80 22000 900
##  $ Discount    : num  100 2000 150 50 500 300
##  $ DeliveryType: chr  "Home" "Store" "Home" "Store" ...
summary(sales)
##      BillID      CustomerName          Gender           Membership       
##  Min.   :501.0   Length:6           Length:6           Length:6          
##  1st Qu.:502.2   Class :character   Class :character   Class :character  
##  Median :503.5   Mode  :character   Mode  :character   Mode  :character  
##  Mean   :503.5                                                           
##  3rd Qu.:504.8                                                           
##  Max.   :506.0                                                           
##    Category            Quantity        CostPrice      SellingPrice  
##  Length:6           Min.   : 1.000   Min.   :   50   Min.   :   70  
##  Class :character   1st Qu.: 2.250   1st Qu.:  220   1st Qu.:  285  
##  Mode  :character   Median : 4.000   Median :  750   Median :  950  
##                     Mean   : 4.833   Mean   : 6602   Mean   : 8175  
##                     3rd Qu.: 7.250   3rd Qu.:13700   3rd Qu.:16750  
##                     Max.   :10.000   Max.   :20000   Max.   :25000  
##     Discount      DeliveryType      
##  Min.   :  50.0   Length:6          
##  1st Qu.: 112.5   Class :character  
##  Median : 225.0   Mode  :character  
##  Mean   : 516.7                     
##  3rd Qu.: 450.0                     
##  Max.   :2000.0
sales
##   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
sales$GrossRevenue <- sales$Quantity * sales$SellingPrice
print(sales)
##   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