What would be the most challenging topic that you have learned in this Managerial accounting course? With example explain why do you think this is the most difficult learning for you?

Mega Company, a retailer, plans to sell 25,000 units of Product X during the month of August. If the company has 10,000 units on hand at the start of the month, and plans to have 8,000 units on hand at the end of the month, how many units of Product X must be purchased from the supplier during the month?