(50,000 x 3.5)/[(620 x 7.5) + 30,000 + 15,350]

Productivity Hours

Deluxe car (4,000/20,000) 0.2

Limited car(6,000/30,000) 0.2

Productivity Dollars

Deluxe car (4,000 x $8,000)/ (20,000 x $12) 133.33

Limited car (6,000 x $9,500)/ (30,000 x $14) 135.71

Navy = 2,300/(25 x 2 x 40) = 1.15

Army = 5,500/(35 x 3 x 40) = 1.31

Army contract workers were more productive.

April May

Sales......................................................................$45,000 $56,000

Labor:

Full-time workers (8 x 40 x 4)................................1,280 1,280

Part-time workers (7 x 10 x 4)...............................................................280

(9 x 15 x 4)..............................................................................................540

Total hours..............................................................1,560 1,820

Productivity..............................................................28.85 30.77

30.77 - 28.85 = 1.921.92/28.85 = 0.066666667 = 6.67% increase