Explanation:
a. The computation of the net earnings under the cash basis of accounting and the accrual basis of accounting are as follows:
Cash basis of accounting
Service revenue $24,000 ($31,700 - $7,700)
Less:
Operating expenses -$12,690
Prepaid insurance -$3,260
Net earnings $8,050
Accrual basis of accounting
Service revenue $31,700
Less:
Operating expenses -$16,600
Net earnings $15,100
b. The accrual basis of accounting is more useful as compare to the cash basis of accounting as it recognizes the revenues when it is earned and the expenses when it is incurred