This program has you enter 10 numbers and then calculates the mean for you. Extensions: 1. Have the user enter how many numbers they want to enter. 2. Have the user enter prices of items they want to buy. Determine the total and the total after tax. 3. Determine the largest (or smallest) number entered. 4. Have the user enter just 3 numbers. Find the median. 4 numbers? 5 numbers?