A health club has employees who worck on lead generation. Each employee works 40 hours aweek and is paid $ 20 an hour . Each employee identifies an average of 400 possible leads a week from alist of 8,000 names. Approximately 10 percent of the leads become members and pay a onetime fee of $ 100. Material costs are $ 130 per week , and overhead costs are $ 1,000 per week . Calculate the multifactor productivity for this operation in fees generated per dollar of input.