a. Under accrual accounting, what amount of revenue should Boyd report for 2018? How does the revenue principle help to answer this question? b. Under accrual accounting, what amount of total expense should Boyd report for 2018? Which accounting principle helps to answer this question? c. Redo parts a and b using the cash basis. Explain how the accrual basis differs from the cash basis. d. Which financial statement reports revenues and expenses? Which statement reports cash receipts and cash payments?