Using basic c++ write a separate code for each question.

3. TodayFutureday if else if Enter a number for today and future day. Find out what day is it in future? Output: Enter todays day: 3 Enter the number of days elapsed since today: 10 Today is Wednesday and the future day is Saturday

4. Software Sales if else if A Software company sells a package that retails at $99. Quantity discounts are given accordingly as follows Units more than 100, discPercent= 50% Units 50 to 99, discPercent = 40% Units 20 to 49, discPercent = 30% Units 10 to 19, discPercent = 20% Write a program that asks user to enter the number of packages purchased. The program then should display the amount of discount(if any) and the total amount of purchase after the discount.