The manager of a crew that installs wood floors has tracked the crew’s output over the past several weeks. Each worker works 40 hours per week, and earns $18 per hour. The wholesale cost of lumber to the company is $5 per square foot, and the company charges its customers $19 per square foot of flooring installed.  

Week Crew Size             Lumber Used (sq. ft)    Flooring Installed (sq ft)

1                      4                              480                                          420

2                      3                              351                                          325         

1-Calculate labor productivity for each of the weeks shown.

Suppose that in addition to labor cost and wholesale lumber cost, the firm’s overhead is 120% of its labor cost. 2-Calculate multifactor productivity for each of the weeks shown

The number of plumbing repair jobs performed by Augur’s Plumbing Service in each of the last three months is listed below.

Month                     Jobs        

August                    89

September               94

October                 101

Show all calculations in answering the following questions.

1-Use a four-month moving average to forecast November jobs.

2-Using a weighted three-month moving average, with weights of .5, .3 and .2, forecast November jobs. Answer each question below in one or two paragraphs each.