Juan decided to start savings for college. He deposited $500 into an account which earns 4% simple annual interest. At the end of each year, he will add $250 to this account. How much will he have in his account after the end of three years? a $550 b $770 c $1,050.80 d $1,342.83 Belle decided to start a new investment account. She deposits $1,000 into an account that earns 3.5% interest, compounded quarterly for 10 years. How much more would she have earned, in interest, if she invested the same amount into an account earning 3.8% interest, compounded monthly, for the same number of years? a $44.50 b $350 c $1,416.91 d 1,461.41