Saturn Enterprise is an Australian GST-registered business that uses a periodic inventory system to sell colorful wrist bands to retailers throughout the country. Its transactions for November 2021 are as follows: Date Particulars Quantity (box) Unit Cost (per box) Beginning Inventory Purchases Nov 1 9,000 $52 Nov 5 5,500 $50 Nov 12 Sales 11,000 Nov 15 Purchases 2,000 $53 Nov 23 Nov 29 Sales returns 10 $50 Purchases Returns 50 $53 The selling price for each box of wrist band is $100 exclusive GST. REQUIRED: Show all workings and explanations to secure maximum marks. a. If Saturn Enterprise uses the Weighted Average method cost flow assumption, i. calculate the cost of sales for November 2021. ii. calculate the gross profit for November 2021. i. calculate the value of the ending inventory on 30 November 2021. Please use average unit cost rounded to two decimal points. [8 marks] [2 marks] [4 marks] b. On 30 November 2021, the estimated unit selling price of each box of wrist band was lowered to $40 net GST due to new designs from competitors. i. At what value should the wrist bands be reported in the Balance Sheet at 30 November 2021? Explain the generally accepted accounting principle to support your answer. (Maximum 50 words) [3 marks] ii. Explain the monetary effect on the business' net profit and net assets for November 2021 as a result of the reduction of the estimated selling price of the wrist bands. (Maximum 100 words) [3 marks]