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The management of Acrosonic plans to market the Electrostat, an electrostatic speaker system. The marketinq department has _ _ _ determined that the demand for these speakers is represented by the following function, where p denotes the speaker's unit price (in dollars] and x denotes the quantity demanded. Find the following functions (in dollars), find the value (in dollars} and interpret your results. p = D.02x + 770 (0 s x 3 20,000) (a) Find the revenue function R. R[x) = (b) Find the marginal revenue function R\"(x). R'(X] = (C) Compute the following value. mm: = E Interpret you r results. When the level of production is I: units. the production of the next spea ker system will bring an additional revenue MI: dollars