The cost of producing a small transistor radio set consists of P23.00 for labor and P37.00 for materials. The fixed charges in operating the plants are P100,000 per month. The variable cost is P1.00...

The cost of producing a small transistor radio set consists of P23.00 for labor and P37.00 for materials. The fixed charges in operating the plants are P100,000 per month. The variable cost is P1.00 per set. The radio set can be sold for P75.00 each. Determine how many sets must be produced per month to break even.