Maria Inc., which uses the perpetual inventory method, purchases different letters for resale. Maria had a beginning inventory comprised of seven units at $4 per unit. Maria purchased five units at $6 per unit in February, sold seven units in October, and purchased two units at $7 per unit in December. If Maria Inc. uses the LIFO method, what is the cost of goods sold for the year? Show all the steps of the answer, including the formulas used. HTML Editor