Online Book Merchants offers premium customers 1 free book with every purchase of 5 or more books and offers 2 free books with every purchase of 8 or more books.  It offers regular customers 1 free book with every purchase of 7 or more books, and offers 2 free books with every purchase of 12 or more books.  Write a statement that assigns free Books the appropriate value based on the values of the bool variable is Premium Customer and the int variable n books Purchased

LANGUAGE: Visual Basic

CHALLENGE: Online Book Merchants offers premium customers 1 free book with every purchase of 5 or more books and offers 2 free books with every purchase of 8 or more books.  It offers regular customers 1 free book with every purchase of 7 or more books, and offers 2 free books with every purchase of 12 or more books.  Write a statement that assigns free Books the appropriate value based on the values of the bool variable is Premium Customer and the int variable n books Purchased.

SOLUTION:


If isPremiumCustomer Then
    If (nbooksPurchased > 4) And (nbooksPurchased < 8)
        freebooks = 1
    ElseIf (nbooksPurchased >= 8)
        freebooks = 2
    ElseIf (nbooksPurchased < 5)
        freebooks = 0
    End If
Else
    If (nbooksPurchased > 6) And (nbooksPurchased < 12)
        freebooks = 1
    ElseIf (nbooksPurchased >= 12)
        freebooks = 2
    ElseIf (nbooksPurchased < 7)
        freebooks = 0
    End If
End If

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