Help Save & Exit Submit Lacy's Linen Mart uses the average cost retail method to estimate inventories. Data for the first six months of 2021 include: beginning inventory at cost and retail were $88,500 and $139,000, net purchases at cost and retail were $331,000 and $499,000, and sales during the first six months totaled $509,000. The estimated inventory at June 30, 2021, would be: Multiple Choice S71940. 580,190. 01, 140