Answer:
d. Accrued bad debts
Step-by-step explanation:
The Schedule M-1 of Form 1120 refers to the tax form in which the corporation disclosed its income, expenses and deductions if any by analyzing them in different columns
If there is any difference in the amount the changes could be made in the form
In the given case while computing the taxable income, the accrued bad debts should be added to the net income as per the books