Saturn Manufacturing produces a basic cellphone as a contract manufacturer. Overhead is applied at a rate of $42 per direct labor hour. The direct labor rate is $18 per hour. In March, there was no beginning or ending work in process, and the assembly department produced 20,000 finished phones. The materials cost was $120,000, and there were 2,500 direct labor hours worked during the month. Actual overhead spending was $103,400 during the month.

Calculate the total cost of production in the month of March and the cost per unit for each phone produced. Determine if overhead was over applied or under applied and by what amount.