To be able to go on a trip to South America, Keisha decides to save for 2 years. She opens a savings account with $400. The account pays simple interest at an annual rate of 4%. She doesn't make any more deposits Answer the following questions. If necessary, refer to the list of Anancial formulis (0) How much total interest will Kelsha eam (b) What will the total amount in the account be (including interest)