please help with these parts. Thank you in advance

Use the following information for questions 19-21: June 1 Inventory 85 @ $1.80 6 Purchased 120 @ $1.95 13 Purchased 70 @ $2.00 20 Purchased 130 @ $2.10 25 Purchased 40 a $2.25 Total Units sold in June 300 units Using the weighted average cost method and if necessary rounding to the nearest dollar, the cost assigned to the ENDING INVENTORY (not the cost of Goods Sold) would be O a $440,00 b. 5155.00 O c. $290.00 O d. 5284.00 Use the following information for questions 19-21: June 1 Inventory 85 @ $1.80 6 Purchased 120 @ $1.95 13 Purchased 70 @ $2.00 20 Purchased 130 @ $2.10 25 Purchased 40 @ $2.25 Total Units Sold in June: 300 units Using the first-in, first-out (FIFO) method, the cost assigned to the ENDING INVENTORY (not the cost of Goods Sold) would be O a. 590.00 b. 5385.00 C. $363.00 O d. $310.50 Use the following information for questions 19-21: June 1 Inventory 85 @ $1.80 6 Purchased 120 @ $1.95 13 Purchased 70 @ $2.00 20 Purchased 130 @ $2.10 25 Purchased 40 @ $2.25 Total Units Sold in June: 300 units Using the last-in, first-out (LIFO) method, the COST OF GOODS SOLD is O a. $737.00 O b. $620.00 O c. $579.50 O d. $503.00 Action Co. the cost of goods available for sale during the period was 5360.000. The total retail selling price for those goods was SGOS.OOO. The company had retail sales of 30.000 during the period. What is the estimated cost of the unsold ending invertory, using the retail estimation method? O a5,000 1312.000 O $120,000 O $72,000