The Valentine Ski Company makes top-of-the-line custom snow skis for high-end ski shops and employs fifteen people at $20 per hour. Chris, the owner, wants to track several productivity performance measures using the data shown below.

Financial Information                                   2017 Results

Net sales.............................................................$205,000

Cost of goods sold (purchased items)................$32,000

Net income after taxes........................................$28,200

Current assets.....................................................$68,000

Current liabilities.................................................$22,000

Avg. inventory value............................................$4,500

Inputs and Outputs         

Skis produced.......................................................1,000

Labor hours..........................................................10,800

Lease payments...................................................$24,000

a. Calculate the labor productivity, lease productivity, and material productivity.

b. Calculate the multiple-factor productivity. If the multiple factor productivity for 2016 was 0.004 skis/dollar, then what was the productivity growth from 2016 to 2017?