Goal: Increment the value of a variable by a numerical factor. Assignment: You are developing an app to compute your bank account's expected value at the end of each year. You earn 2% interest on the value of your account at the end of each year. On top of that, your bank has a program that awards $20 each year to its customers. Assuming the double variable accountValue has already been declared and assigned a value, write some code that updates the value of accountValue