Answer:
B. $6
Explanation:
Marginal revenue for the worker = change in wage ÷ change in quantity output
Change in wage = (40×$6) - (36×$6) = $240 - $216 = $24
Change in quantity output = 40 - 36 = 4
Marginal revenue for the worker = $24 ÷ 4 = $6
When purchasing load mutual funds, you are charged a fee, or commission, which is added to the fund's net asset value.
I think it's called a price ceiling. At least, that's what I think it is.