Jake's Battery Company has two service departments, Maintenance and Personnel. Maintenance Department costs of $320,000 are allocated on the basis of budgeted maintenance-hours. Personnel Department costs of $80,000 are allocated based on the number of employees. The costs of operating departments A and B are $160,000 and $240,000, respectively. Data on budgeted maintenance-hours and number of employees are as follows: | Production Support Departments Departments Maintenance Personnel B Department Department Budgeted costs $320,000 $80,000 $160,000 $240,000 Budgeted NA 800 960 maintenance-hours Number of employees 40 NA 160 480 Using the direct method, what amount of Personnel Department costs will be allocated to Department B? 640