1. The price of an item you want to buy is given in dollars andcents. You pay for it in cash by giving the clerk d dollarsand cents. Write specifications for a function thatcomputes the change, if any, that you should receive. Include astatement of purpose, the preconditions and postconditions, and adescription of the arguments.
5. Suppose that a bag contains strings that represent variousgrocery items. Write a C++ function that removes and counts alloccurrences of a given string from such a bag. Your function shouldreturn this number. Use comments in javadoc style tofully specify your function. Accommodate the possibility that thegiven bag
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