A small company that manufactures special-order wood furniture has kept its employees busy on a 40-hour-a-week schedule for the past two years. The company just received the largest contract in its history from a Saudi company opening offices in the area. There is no expectation of repeat business from the Saudi company. In order to complete the contract in the required six months, additional skilled woodworking peoplepower is needed. Under these circumstances, to avoid an expected labor shortage, the best option would be:________. a. the use of temporary employees. b. turnover reduction. c. new external hires. d. overtime.