1. [6 marks] A manufacturer has determined that C(s, u) = (s + 1)3/2(u + 1) cellphones can be produced each week if s skilled workers and u unskilled workers are employed by the company. (a) Determine C(8, 8) and interpret the result. (b) Compared to part (a), how many more cellphones can be produced each week if: i. s = 8 and u = 15 (i.e. 7 more unskilled workers are hired)? ii. s = 15 and u = 8 (i.e. 7 more skilled workers are hired)