Motril Company has the following purchase and sales data. Note: There was no inventory before the purchase made on January 1. Purchased on January 1 - 50 units, 59 cost per unit Purchased on January 16 - 150 units, $8 cost per unit Purchased on January 25 - 200 units, $7 cost per unit Sold on January 31 - 225 units. $15 selling price per unit The company uses AVERAGE COST Compute GROSS MARGIN for January. Note: Don't be concerned if your answer is different by a few dollars from a choice below, this is because of rounding. O $1.225 O 51.550 O $1.334 O $1.600 O $1.659