Which of the following items are expenses? I. Paying for next accounting period's rent II. Buying inventory in cash III. Paying unpaid wages, which relate to work completed in the previous accounting period IV. Purchasing a building in cash V. Paying off a bank loan Select one: a. I, II, III, IV b. III and V c. II and IV d. I, II, IV e. All of IV are expenses. f. None of I-V are expenses