Need help with these 3 questions all using information from first question.

Use the following information to answer the next 4 questions: Boston Corporation began the month of April with 30 units of inventory costing $10 per unit on hand. During April, the following inventory purchases were made: Date Units Unit Cost Cost April 2 - Purchase 60 $11 $660 April 8 - Sold 70 April 10 Purchase 50 $12 $600 April 15 - Sold 40 April 17 Purchase 40 $13 $520 April 24 Purchase 45 $14 $630 During April, Boston Corporation sold 110 units of its product at $20 per unit. Determine the value of Cost of Goods Sold using the periodic Weighted Average cost method of inventory valuation. Determine the value of Cost of Goods Sold using the periodic Weighted Average cost method of inventory valuation. $1,325 $1,445 $1,178 $1,359 $2,200 Incorrect 0/1 pts Question 4 Determine Ending Inventory if the company uses perpetual LIFO cost method. $1,240 $1,260 $1,470 $1,200 $1,510 Incorrect 0/1 pts Question 5 Determine cost of goods sold if the company uses the Specific Identification cost method and determines that all of the items purchased on April 17th and 24th and 30 of the items purchased on April 2nd were still on hand at year end. $1,480 $1,172 $1,282 $1,540 $1,230