Answer:
b) 85.45 days
Explanation:
Days Sales in Inventory is the formula used to determine the length of time that it will take to sell inventory.
Days Sales in Inventory  = Inventory ÷ (Cost of Sales / 365)
therefore,
Days Sales in Inventory  = $494 ÷ ($2,110 / 365)
                     = 85.45 days
thus,
It takes  85.45 days Mario's to sell its inventory.