Problem 3 (Type I Quantity Discounts Problem) - 5 POINTS Tesla Electric uses 4,000 toggle switches a year. Switches are priced as follows: 1 to 499, $2 each; 500 to 999, $1.75 each; 1000 to 1499, $1.25 each; and 1,500 or more, $1.20 each. It costs approximately $9 to prepare an order and receive it, and annual carrying costs are 40 cents per unit. What are the optimal total costs? NOTE: You must show all your work - including EOQ and all necessary TC calculations. Unit Price Quantity 1 - 499 $ 2.00 500 - 999 $ 1.75 1000 - 1499 $ 1.25 1500+ $1.20