a. How much would they have to save each year to reach their goal? b. If they think you will take five years instead of four to graduate and decide to have $220,000 saved just in case, how much would they have to save each year to reach their new goal? a. How much would they have to save each year to reach their goal? To reach the goal of $180,000, the amount they have to save each year is $ (Round to the nearest cent.)