2. The number of tablets sold by a shop from March 2020 to September 2020 is modeled by the function N() = 72 + 25 and the income per tablet is given by P(t) = 31° + 3t +36, where is the number of months. Based from these functions, what is the total amount of tevenue, R(t), generated by the shop?

a. from March 2020 to September 2020 b. at the end of the year if the same functions are applied​