Terrell Industries produces a single product at its Roosevelt facility. The product has two main inputs, metal and labor, with additional costs being included in manufacturing overhead. The plant carries neither work-in-process nor finished goods inventories. Information from the previous four quarters of production follows:

	Q1	Q2	Q3	Q4
Metal input (pounds)	196,000	212,000	242,000	232,000
Labor input (hours)	9,900	10,760	12,700	11,700
Sales (pounds)	166,900	186,800	206,000	192,900
Average price of metal per pound	$ 0.72	$ 0.76	$ 0.80	$ 0.75
Average wage rate per hour	34.00	36.00	30.00	32.00
Average sales price per pound	8.20	7.95	8.10	8.00
Manufacturing overhead (total)	389,224	420,660	399,000	423,820

Required:

a. Compute the partial productivity measures for metal for the four quarters.

b. Compute the partial productivity measures for labor for the four quarters.

c. Compute the total factor productivity for the four quarters.