Problem $5.(12$ points$)$

a$)$ Compute the multifactor productivity measure $($output in sales dollars$)$ for each week using the

data provided below to produce chocolate bars. Assume $40-$hour weeks and an hourly wage of

$$18.$ Overhead is $1\mathrm{.}5$ times the total weekly labor cost. Material cost is $$48$ per pound. Standard

price to sell is $$175$ per unit. $(10$ points$)$

b$)$ What do the productivity figures suggest? $($What is the trend?$)(2$ point$)$