Sienna Company uses the FIFO cost flow assumption. Sienna has inventory with a selling price of $100, packaging costs of $5, and transportation costs of $10. Sienna's normal profit margin is $20. However, due to limited supply of the product from the manufacturer, it would cost Sienna $80 to replace the inventory. What amount should be used as the market value?a. $ 65b. $ 80c. $ 85d. $ 100