Direct Labor Standards for a Service Company One of the operations in the United States Postal Service is a mechanical mail sorting operation. In this operal sitting at a keyboard. The manager of the mechanical sorting operation wants to determine the number of terr due to the upcoming holiday season. Assume that the sorting operators are temporary employees. The union contract requires that temporary emp a. How many temporary employees should the manager hire for December? employees b. If each temporary employee earns a standard $16.40 per hour, what would be the labor time variance if the sign and an unfavorable variance as a positive number.