Chase Bank issued a Guarantee for Sara needed in her business by an amount of $30,000 for a period of five months starts on March 1, the bank charged her insurance 25%, in addition to 1% commission and $20 stamps. Sara Guarantee has been modified to become $40,000 with extension for three months. What is the amount recorded as custon er commitments for guarantee when guarantee modified? O a. 7,500 Ob. 30,000 O c. 40,000 O d. 10,000 Bank by mistake posted another company's credit memo to your company's bank account. O a Add to bank balance Ob. Deduct from book balance OC Add to book balance ed. Deduct from bank balance