Given , AR = 60- 3Q , i. Plot the average-revenue curve, and then find MR curve. ii. Find the total-revenue function and the marginal-revenue function mathematically from the given AR function. iii....

Given , AR = 60- 3Q ,
i. Plot the average-revenue curve, and then find
MR
curve.
ii. Find the total-revenue function and the marginal-revenue function mathematically from
the given
AR
function.
iii. Comparing the
AR
and
MR
functions, what can you conclude about their slopes?