15. multiperiod firm Return to problem 14 above. Now assume this is a multiperiod setting, as in Exhibit 3.2. Further assume the interest rate is r = 10%.

Spot factor prices are 100 per unit for capital, 150 per unit for labor for the first product and 192.5 per unit for labor for the second product.

The first product now sells for 302.5 per unit, and the second sells for 363 per unit.

(a) Answer part

(c) of the original exercise.

(b) Answer part

(e) of the original exercise. Explain your findings.
Also identify the point on the time line at which these costs are being calculated. Explain.