need help with parts a and b please thanks!

Value of a mixed stream. For the mixod stream of cash fows shown in the foliowng table. , determine the future value at the end of the final year if deposid are made into an account paying annus interent of 12%, istsuming that no withdrasats are made during the period and that the deposits ard made: a. At the end of each year. b. Al the beginning of each year a. The future value at the end of the final yoar if deposits are made at the end of each year is 4 (Round to the nearest dolar) Data table (Click on the icon here in order to copy the contents of the data table below into a spreadsheet.)