16. Probett's Auto Body Repair Shop had revenues that averaged $90,000 per week in April and $80,000 per week in May. During both months, the shop employed six full-time (40 hours/week) workers. In April the firm also had four part-time workers working 25 hours per week but in May there were only 2 part-time workers and they only worked 10 hours per week. What is the percentage change in labor productivity from April to May for Probett's Auto Body Repair?

productivity of labor increased by 16.24% in May respect to April

Which means the company was experimenting diminished return in their labor facot as reducing their quantity increase the marginal revenue generated

Explanation:

April productivity:

revenue $90,000

labor used: 40 x 6 + 25 x 4 = 340

productivity of labor:

90,000 / 340 = 264,70 each hour of labor generate 264.70 dollar of revenue

May productivity:

revenue 80,000

labor used: 40 x 6  +  2 x 10 = 260

productivity:

80,000 / 260 = 307,6923 = 307.69

each hour of labor gneerated $307.69 dollar of revenue

percentage change

307.69/264.70 - 1 = 0,16241

answer; only identify and interpret trends in the marketplace;