Manx Inc. uses the accrual method of accounting. Here is a reconciliation of Manx's allowance for bad debts for the current year. Beginning allowance for bad debts Actual write-offs of accounts receivable during the year Addition to allowance Ending allowance for bad debts $ 61,150 (80,000) 88,500 $ 69,650 Because of the difference between the GAAP and the tax rules for accounting for bad debts, Manx Inc. has an: Select one: a. $8,500 permanent excess of book income over taxable income. b. $8,500 permanent excess of taxable income over book income. c. $8,500 temporary excess of taxable income over book income. d. $8,500 temporary excess of book income over taxable income