Question - PT. ABC is a company supplier of raw materials which are serving as many as 60 corporate customers, a study conducted by the accounting department showed that the administrative costs and sales per customer in the know is a function TC = 40,000 + 50Q + 4Q2, where TC per year ($) and Q is many enterprise customers, using a cubic regression model you are requested to:
a. Calculate the company's fixed costs annually?
b. Calculate the average cost incurred by the company are now as many as 60 customers untukmelayani?
c. Calculate the number of customers at the level of output at minimum average costs?