Scors: $72\mathrm{.}5\%,14\mathrm{.}5$ of $20$ points

$$

per class, and overhead costs are $$25,000$ per class. The multifactor produclivily ratio currently is $1\mathrm{.}01$ and the labor productivity ratio is $5138\mathrm{.}62$ per hour if the instructors work on an average of $14$ hours per week for $16$ weeks for each $3-$credid class of $45$ students

As compared to the present multifactor productivity ratio, the university's plan will result in an improved" multifactor productivity ratio

b$.$ If instructors are going to work an average of $20$ hours per week for $16$ weeks for each $3-$cedit dass of $75$ students, the labor productivily ratio is : per hour $($Enter your response rounded to two decima$/$ places$)$