3. True/False: Please provide your answer in the box to the right; 3 points each: a. The "Sales Returns" account is a temporary account that gets closed at the end of each period. True or False? b. The Allowance for Doubtful accounts always starts the period with a zero balance. True or False? c. The Ending Balance in the LIFO Reserve account represents the difference in COGS Expense between FIFO versus LIFO. True or False? d. An increase in the estimated useful life of a tangible asset (ie, Equipment) results in lower Depreciation Expense for future years. True or False