Purchased 20 units and purchase price per unit is 60; terms 3/15, and n/30 (credit)? Compute the amount of purchases at net cost and gross invoice method? (2 marks) g) How does depreciation expense is different from other expenses? (1 mark) h) Indicate whether each of the following accounts appears in the debit column or in the credit column of an after closing trial balance. Use the symbol D for debit column, C for credit column, and N if the account does not appear in an after closing trial balance. (3 marks)

i. Building ii. Investigation revenue earned iii. Retained Earnings iv. Income summary (of a profitable company) v. Salaries Payable vi. Income tax expense