1. need some help with this problem please
   

Problem. 10 : A certain company manufactures a toaster oven. Management has determined that the daily marginal cost function associated with producing these toaster ovens is given by C'(z) = 0.00020 z - 0.12 2 + 27 where C'(r) is measured in dollars per unit and z denotes the number of units produced. Management has also determined that the daily fixed cost incurred in the production is $900. (a) Find the total cost incurred by the company in producing the first 300 units of these toaster ovens per day. Round your answer to the nearest dollar. (b) What is the total cost incurred by the company in producing the 201st through 300th units/day? Round your answer to the nearest dollar. Problem. 11 : Cell phone advertising spending is expected to grow at the rate of R(t) = 0.8256t-0.0 (1