Jensen tire & auto is in the process of deciding whether to purchase a maintenance contract for its new computer wheel alignment and balancing machine. managers feel that maintenance expense should be related to usage, and they collected the following information on weekly usage (hours) and annual maintenance expense (in hundreds of dollars).weekly usage(hours) annualmaintenance expense20 1717 2227 3035 3739 4724 3131 3338 3947 5245 40develop the estimated regression equation that relates annual maintenance expense (in hundreds of dollars) to weekly usage hours (to 3 decimals).

Mno corporation uses a job-order costing system with a predetermined overhead rate based on direct labor-hours. the company based its predetermined overhead rate for the current year on the following data: total estimated direct labor-hours 50,000 total estimated fixed manufacturing overhead cost $ 285,000 estimated variable manufacturing overhead per direct labor-hour $ 3.80 recently, job p123 was completed with the following characteristics: total actual direct labor-hours 20 direct materials $ 710 direct labor cost $ 500 the amount of overhead applied to job p123 is closest to: