PLEASE REFERENCE FOLLOWING

Question 7 (6 marks) Mr. Noah has opened a small pharmacy during the pandemic. He has leased a shop for 2 years at 15,000 taka per month. Mr. Noah used to manage the business himself and could serve 500 customers per month. Recently, Mr. Noah has hired a new worker whose salary is 10,000 per month. After hiring the new worker, the shop can now serve a total of 900 customers per month. a) What are the fixed costs and variable costs of the pharmacy? b) What is the marginal product of the newly hired worker? c) Is the pharmacy experiencing the law of diminishing marginal returns? Why or why not? Discuss in detail. d) Discuss the difference between production in the long-run and short-run using the given situation