Please help me with 11 & 13. C# ONLY!! Please show work, and thanks!!

11. Write a program named Eggs that declares four variables to hold the number of eggs produced in a month by each of four chickens, and assign a value to each variable. Sum the eggs, then display the total in dozens and eggs. For example, a total of 127 eggs is 10 dozen and 7 eggs. Modify the Eggs program to create a new one named EggsInteractive that prompts the user for and accepts a number of eggs for each chicken. 12. Write a program named MakeChange that calculates and displays the conversion of an entered number of dollars into currency denominations-twenties, tens, fives, and ones. For example, $113 is 5 twenties, 1 ten, 0 fives, and 3 ones. 13. 14. Write a program named Testslnteractive that prompts a user for eight test scores and displays the average of the test scores to two decimal places