This is a problem form the book "starting out with APP INVENTOR FOR ANDROID". Susan is hired for a job, and her employer agrees to pay her every day. Her employer also agrees that Susan's salary is 1 penny for the first day, 2 pennies for the second day, 4 pennies for the third day, continuing to double each day. Create an app that allows the user to enter the number of days that Susan will work and calculates the toatl amout of pay she will recieve over that period of time.