Priya, a small business owner who sells only one product, started March with no inventory. Over the course of the month, she made the following purchases: Date Number of units purchased Total cost of order

a) Assuming Priya uses the first-in-first-out inventory costing method, what is her gross margin?

b) Assuming Priya uses the moving-weighted-average inventory costing method, what is the value of her ending inventory?