Which of the following is a control that can be implemented to help prevent paychecks being issued to a "phantom" or "ghost" employee? Use an imprest account to clear payroll checks. The cashier should sign all payroll checks. Paychecks should be physically distributed by someone who does not authorize time data or record payroll. Sequentially prenumber all payroll checks.

The big black bird company (bbc) has a large order for special plastic-lined military uniforms to be used in an urgent military operation. working the normal two shifts of 4040 hours each per week, the bbc production process usually produces 2 comma 6002,600 uniforms per week at a standard cost of $125125 each. 7070 employees work the first shift and 3030 the second. the contract price is $240240 per uniform. because of the urgent need, bbc is authorized to use around-the-clock production six days per week. when each of the two shifts works 7272 hours per week, production increases to 4 comma 2004,200 uniforms per week but at a cost of $160160 each.