Revenue, Cost, and Profit Yaster Electronics manufactures and sells a televisions per month. The cost and revenue in dollars are given by C(x) = 71,595 + 60 a and R(x) = 196 2 - 0.054 z Use differential approximations to estimate the change in profit if production level is increased from 1,500 to 1,589. Round to the nearest dollar. $ NOTE: Your answer might be negative