9514 1404 393
Answer:
 $3386.40
Step-by-step explanation:
The amount at the end of March can be found two ways:
 add up the deposits for Jan, Feb, Mar:
   1200.32 +985.43 +1200.65 = 3386.40
 subtract Apr and May from the May total:
   6374.72 -1000.98 -1987.34 = 3386.40
The total amount of money that he had deposited into his account at the end of March is $3386.40.