13. Ms. Shufa Ko, a punch press operator in a metal fabricating plant is randomly assigned to various jobs. The straighttime wage rate is P40 per hour with time and onehalf for time over 40 hours per week. How much of these earnings should be charged to Manufacturing Overhead Control account if 47 hours are worked in one week? a. P1,880 b. P2,280 c. P140 cl. PO