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R = 68x - dR 1156 dx dollars per unit X Need Help? Read It Watch It [0/1 Points] DETAILS PREVIOUS ANSWERS LARAPCALC10 2.3.026.MI. Find the marginal revenue for producing x units. (The revenue is measured in dollars.) R = 50 20x -x3/2 OR 1000x - 50x dx dollars per unit X Need Help? Read It Watch It Master It 7. [-/1 Points] DETAILS LARAPCALC10 2.3.028. MY Find the marginal profit for producing x units. (The profit is measured in dollars.) P 0 15x + 5,000x - 1,050,000