Question $5(2\mathrm{.}2$ points$)$

A company offers ID theft protection using leads obtained from client banks. There are $2$ employees that work $40$ hours per week on leads at a pay rate of $$28$ per hour per employee. Each employee identifies an average of $3500$ potential leads a week from a list of $5000.$ An average of $3$ percent actually sign up for the service, paying a one$-$time fee of $$65.$ Material and overhead cost is $$7000$ per week. Calculate the multifactor productivity for this operation in fees generated per dollar of input.