Minor Company had checks outstanding totaling $4,534 on its April bank reconciliation. In May, Minor Company issued checks totaling $39,454. The May bank statement shows that $25,461 in checks cleared the bank in May. A check from one of Minor Company's customers of $995 was also returned marked "NSF." The amount of outstanding checks on Minor Company's May bank reconciliation should be

a.$20,927

b.$64,915

c.$18,527

d.$17,532