The following table shows the relationship between workers and output for a factory in the short run, with capital held constant. This rm is a monopoly in the output market, and price and marginal revenue for the rm are also given in the table. Find the marginal revenue product of labor (M RPL). Marginal Physical Product Price of Output Marginal Revenue Labor Input (WIPPL) (p) (MR) MRPL 0 0 40 -- -- 1 10 39 38 2 7 38 36 3 6 37 34 4 5 36 32 5 1 35 30