*** Please give me a clean and clear process or interpretation of the answer. If you have used Excel, plz paste the data that you have used to solve the question as well.

2. I am in charge of inventory management of chocolate in a food company. The annual demand for chocolate is 90,000, the order cost (S) is 100, and the annual inventory maintenance cost (H) is 450. Ahead of Christmas, I am planning to sell at a discount according to the distributor's purchase volume to promote sales. In this case, what is the economic order volume (Q1) and the resulting total cost? And what is the order with the lowest total cost(Q2)? (Order volume goes up from the first decimal place)

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If less than 100, the cost will be 2,000 per unit / If 100 to 199, the cost wil be 1,900 per unit

From 200 ~ 299 , it will be 1,700 per unit / For more than 300, it will cost 1,500 per unit