A health club has 2 employees who work on lead generation. Each employee contacts leads 20 hours a week and is paid $20 per hour. Each employee contacts an average of 220 leads a week. Approximately 9% of the leads become members and pay a onetime fee of $100. Material costs are $150 per week, and overhead costs are $1,100 per week. a. Calculate the multifactor productivity for this operation in fees generated per dollar of input.