A promissory note is written by O a. A creditor in favour of a debtor O b. A seller in favour of another seller O c. A debtor in favour of a creditor O d. A customer in favour of another customer Interest on Fixed deposit account, credited by the bank will O a. Decrease in Cash book balance. O b. Increase in Cash book balance. Oc. Increase in Bank book balance. O d. Decrease in Bank book balance