Atelevision commercial advertises that a certain type of battery will last, on the average, 20 hours longer than twice the life of another type of battery. if consumer tests show that the advertised battery lasts 725 hours, how many hours must the other type of battery last for the advertiser's claim to be valid?

Direct materials (4.2 x $15) $ 63direct labor ($12 x 17.5) $210manufacturing overhead ($2.40 x 17.5) $42total job cost $ 315dougan, inc. allocates overhead based on a predetermined overhead rate of $2.40 per direct labor hour. employees are paid $12.00 per hour. job 24 requires 4.2 pounds of direct materials at a cost of $15.00 per pound. employees worked a total of 17.5 hours to complete the job. actual manufacturing overhead costs totaled $80,000 for the year for the company. how much is the cost of job 24?