This is a practice question of microeconomics. I would like to refer to the teacher's answering ideas and ways of organizing the language. This is not an exam question, please rest assured, if it is an exam question, you have no time to answer me.

Directions: The question is divided into parts, labeled in alphabetical order. Use those letters to organize your response and make sure you are not accidentally skipping any part. If a question prompts you to "Calculate," you must show how you arrived at your final answer. The table below shows the short-run production function for Phyliss's Carpentry Contractors. Use the information provided to answer parts (a)-(e). Number of Total Product Carpenters per Hour 200 2 255 3 305 4 345 Un 380 6 410 7 4358 455 (a) Beginning with which carpenter do diminishing marginal returns set in for Phyliss's Carpentry Contractors? Explain using numbers. (b) Assume Phyliss's Carpentry Contractors sells its carpentry services in a perfectly competitive market at a price of $2. Calculate the marginal revenue product of the fifth carpenter. Show your work. (c) Phyliss's Carpentry Contractors hires carpenters in a perfectly competitive labor market for carpenters at a wage rate of $90 per hour, and the market price of services remains $2. How many carpenters will Phyliss's Carpentry Contractors hire to maximize its profit? Explain using marginal analysis. Assume carpenters must pay for a certification exam before they can work in this industry. If the cost of that exam decreases, what will happen to each of the following in equilibrium? (d) The market wage rate, Explain.Explain using marginal analysis. Assume carpenters must pay for a certification exam before they can work in this industry. If the cost of that exam decreases, what will happen to each of the following in equilibrium? (d) The market wage rate. Explain. (e) The number of workers hired in the labor market. Explain