$\backslash$table$[[\backslash$table$[[$Stylists$],[($per week$)]],\backslash$table$[[$Output $($per$],[$week$)]],\backslash$table$[[($output per$],[$stylist$)]],\backslash$table$[[($dollars$],[$per week$)]],\backslash$table$[[($dollars per$],[$stylist$)]]],[0,0,---,-,---],[1,60,-,-,-],[2,80,-,-,],[3,90,-,-,],[4,90,-,-,]]$

The table shows how many hairstyling appointments a hair salon can schedule per week based on the number of stylists. In the spaces provided, compute the marginal physical product $($MPP$)$ of the hair stylists, total revenue, and marginal revenue product of the stylists, assuming that a hair stylist charges $$60$ per appointment. Suppose a hairstylist is paid $$700$ per week. How many hairstylists should a profit$-$maximizing salon hire?

Multiple Choice

$1$

$4$

$3$

$2$