Wayne Enterprise currently employs 20 salespeople in its sales department. Given information: Previous Sales 2021 = 150 million baht Project Sales 2022 200 million baht Sales budget 10% of sales Expense budget per salesperson = 500,000 baht = Please calculate the following. You must show your work to receive points. 1. Based on Percentage of Sales Method, does the company need to hire more salespeople? If so, how many more? (4 points) 2. Based on Productivity Method, does the company need to hire more salespeople? If so, how many more? (4 points) 3. Which calculation method seems to be more reasonable for Wayne Enterprise to use? Why? (2 points)