Code in c++ please

Q1: Software Sales A software company sells a package that retails for $99. Quantity discounts are given according to the following table: QuantityDiscount 10-19 20-49 50-99 100 or more 20% 30% 40% 50% : Write a program that asks for the number of units sold and computes the total cost of the purchase. Input validation: Make sure the number of units is greater than 0. Q2: Book Club Points Community Booksellers has a book club that awards points to its customers based on the number of books purchased each month. The points are awarded as ollows -If a customer purchases O books, O points are earned. -If a customer purchases 1 book, S points are earned. -If a customer purchases 2 books, 15 points are earned. -If a customer purchases 3 books, 30 points are earned. -If a customer purchases 4 or more books, 60 points are earned. Write a program that asks the user to enter the number of books that he or she has purchased this month and then display the number of points awarded