A product is introduced into the market. Suppose a product's sales quantity per month q(t) is a function of time t in months is given by q(t)=5000t120t2 And suppose the price in dollars of that product, p(t), is also a function of time t in months and is given by p(t)=120t2 A. Find, R(t), the rate of change of revenue as a function of time t expanding and collected not required B. What is the the rate of change of revenue with respect to time 5 months after the introduction. C. Interpret your answer in part B include the units of the number in part B The revenue is increasing by 45 dollars per month