i want solution of this question.

QUESTION 1 NightSafe Ltd maintains a perpetual inventory system and has the following transactions for inventory item #PCM1004 for the month of June, 2019. ITEM # PCM1004 Unit cost Date Transaction Units 8.00 8.50 9.00 June 1 Opening balance 5 Purchases 9 Sales 13 Purchases 15 Units purchased June 5 returned to supplier 19 Sales 22 Sales 25 Units sold June 19 returned by customer 27 Purchases 30 Sales Physical count confirmation of units on hand June 30 1,000 600 200 600 100 900 300 100 900 600 9.50 1,060 Required; a. Calculate the cost of inventory on hand at 30 June, 2019 assuming: i. The FIFO cost flow assumption ii. The weighted average cost flow assumption (use four (4) decimal places for unit cost calculations). Round Sales $ and Balance $values to the nearest whole dollar amount. b. Prepare the general journal entry to adjust the value of closing inventory as at June 30, 2019 under the FIFO cost assumption (including a narration). c. Using a selling price of $17.50 per unit prepare comparative income statements for NightSafe Ltd for the month ending June 30, 2019 up to Gross Profit assuming: i. FIFO cost flow assumption ii. The weighted average cost flow assumption