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 customer commitments for guarantee when guarantee modified? a. 40,000 b. 7,500 Oc 10,000 O d. 30,000