Let TR be total revenue, Q be quantity of output, and 'n' the number of units, then marginal revenue equals : (choose the correct alternative)

Let TR be total revenue, Q be quantity of output, and 'n' the number o

1.	Let TR be total revenue, Q be quantity of output, and 'n' the number of units, then marginal revenue equals : (choose the correct alternative)
Answer» `TR_(N)-TR_(n-1),` only `("CHANGE in TR")/("Change in Q")` only Both (a) and (b) None of the above SOLUTION :N/A