CIS247 WEEK 3 LAB/HW
1) Write a program to keep inventory of apples, oranges, carrots, onions kept in a grocery store. Use a constructor to initialize the number of these items. At the end of the day the clerk enters the number of each item sold that day, and the number of each item delivered that day, and display the net inventory.
2) Write a program that prompts you to enter a students’ Name,
ID number, and GPA of 2 students.
Use a private static member to keep track of enrollment.
Use a constructor to initialize the ID number and GPA and increment the enrollment.

3) Write a program that prompts the user to enter 2 rectangles dimensions and calculates their area. The function that calculates the area should have an object passed to it by reference to calculate the area.
4) Write a program for a Japanese car,(Honda,Toyota,Nissan) dealership. Use a constructor to initialize the number of these items, their cost to the dealership owner and the price he sells them for. At the end of the day the owner enters the number of each item sold that day, and the number of each item delivered that day, and display the net inventory. Then call a function (use object passed to it by reference) to determine profit for that day and display the result.
5) Write a program using ONLY private static member and public static functions. Write static functions that use object passed by reference to keep track of the number of employees and prompt the user to enter the employee number and their salary. Display the yearly wages payed to employees by the company.