A manufacturer of digital cameras estimates that when Xhundred camera are produced, the total profit will be PX ) = -0.003X + 0.08X2 + 25x - 200 in dollars. Find the marginal profit when the level of production is X - 80 units. (Round to the nearest 2 decimal places if needed) The total profit in dollars) from the sale of x calendars is ... P(x) = 22x - 0.04x2 - 400 Find the exact profit from the sale of the 41st calendar. (Round to the nearest 2 decimal places, if needed) A similar manufacturer's total monthly revenue function is... R(q) = 240g - 0.0622 where Ris in dollars and q are in units of output produced and sold during the month Currently, this manufacturer is producing 80 units a month and is planning to increase monthly output by 1 unit Use the revenue function to compute the actual additional revenue that will be generated by the production and sale of the 81" unit. (Round to the nearest 2 decimal places. If needed)