Sophia deposits $750 into her savings account at the end of each 3-month period. The account earns 2.8% interest, compounded quarterly. NOTE: if using GeoGebra or other web calculator, must provide formula used (a) How much money will be in the account at the end of 3 years? How much of this money will be earned interest? (b) Sophia needs at least $6500 for a trip to China. Will she have enough after 2 years?