010 Hello Experts, please help this MCQ (Multiple Choice Question). I will give Like for you answer :) Thank you

A product is sold at RMIO a unit. The total cost function, C(x) in ringgit for the product when x units are produced and sold is given as C(x) = 40 + 2x + 0.001x^2 where x is the level of output. Find the level of output which will maximize profit. What is this maximize profit? O a. RM 22340 O b. RM15960 O c. RM11960 O d. RM22960