Each of the following would be a period cost except: A. the salary of the company president's secretary B. the cost of a general accounting office C. depreciation of a machine used in manufacturing. D. sales commissions 6. Lara Company has budgeted the following credit sales during the current year: September, $25,000; October, S40,000; November, $30,000; December, $32,000. Experience has shown that payment for the credit sales is received as follows: 40% in the month of sale and 60% in the first month after sale. what will be the balance in Accounts Receivable at the end of October assuming the payment patterns have been as described? A. $18,000 B. $30,000 C. S33.600 D. S39,600 E. $24,000 7. Which of the following costs is most likely to be classified as variable? A) Factory rent B) Manager salaries C) Direct materials D) Insurance E) Straight-line depreciation 8. An opportunity cost is: A. a cost that is not relevant in decision making. B. the benefit forgone by selecting one alternative instead of another. C. a cost which may be saved by not adopting an alternative. D. a cost which may be shifted to the future with little or no effect on current operations. 9. On a bank reconciliation, an unrecorded debit memorandum (fee) for printing checks is: A) Noted as a memorandum only B) Deducted from the book balance of cash. C) Added to the book balance of cash. D) Added to the bank balance of cash. E) Deducted from the bank balance of cash