Darlene Company had checks outstanding totaling $5,400 on its June bank reconciliation. In July, Darlene Company issued checks totaling $38,900. The July bank statement shows that $26,300 in checks cleared the bank in July. A check from one of Darlene Company's customers in the amount of $300 was also returned marked "NSF." The amount of outstanding checks on Darlene Company's July bank reconciliation should be a. $12,600. b. $18,000. c. $17,700. d. $7,200.