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 set of nested if/else statements that assigns freeBooks the appropriate value based on the values of the bool variable isPremiumCustomer and the int variable nbooksPurchased.

Following are the if/else statement that are given below

if(nbooksPurchased > 4) //book purchase greater then 4

{

if(isPremiumCustomer) // check condition

{

freeBooks = 1;  // free book is 1

if(nbooksPurchased > 7) // book purchase is 8

{

freeBooks = 2;  // two free books

}

}

else

{

freeBooks = 0; // free books is 2

}

if(nbooksPurchased > 6) // book purchase is greater then 6

{

freeBooks = 1;  // free books is 1

}

if(nbooksPurchased > 11) // book purchase is 12

{

freeBooks = 2;  // free books is 2

}

}

}

else

{

freeBooks = 0; // free books is 0

}

Explanation:

Following are the description of statement

As mention in the question the variable "nbooksPurchased." described the purchasing of books ,"freeBooks" is used to describe the free books  and "isPremiumCustomer" is bool variable .if nbooksPurchased >5 means the book is every purchase of the 5 it assign freeBooks = 1; .If  nbooksPurchased  is greater then 7 then free books variable is assigned with the 2 otherwise free books is 0.if  nbooksPurchased is greater then 6 then it assign free books to 1.if  nbooksPurchased is greater then 11 then it assign the free books to 2 otherwise assign freebooks to 0.

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