it says NPV is used for all of them and excel solver for Q B-D

Your company gives workers a starting salary of $60,000 and an annual raise $1,500. On average, workers stay with the company for 20 years. The relevant discount rate is 3%. A. What is the present value of the cost of a worker? B. If the company wants to keep the starting salary $60,000 and the present value of the cost of one worker at $1,000,000, what should be the amount of an annual raise? C. If the company wants to keep the annual raise $1,500 and the present value of the cost of one worker at $1,000,000, what should be the amount of a starting salary? D. The firm decides to give workers a raise at a constant growth (%) instead of the constant annual dollar amount ($1,500). If the company wants to keep the starting salary $60,000 and the present value of the cost of one worker at $1,000,000, what should be the annual growth rate for the starting salary $60,000? Your company gives workers a starting salary of $60,000 and an annual raise $1,500. On average, workers stay with the company for 20 years. The relevant discount rate is 3%. A. What is the present value of the cost of a worker? B. If the company wants to keep the starting salary $60,000 and the present value of the cost of one worker at $1,000,000, what should be the amount of an annual raise? C. If the company wants to keep the annual raise $1,500 and the present value of the cost of one worker at $1,000,000, what should be the amount of a starting salary? D. The firm decides to give workers a raise at a constant growth (%) instead of the constant annual dollar amount ($1,500). If the company wants to keep the starting salary $60,000 and the present value of the cost of one worker at $1,000,000, what should be the annual growth rate for the starting salary $60,000