Take me to the text Bert's Beachside Burgers is mostly a summer weekend business, but Bert opens for special events throughout the year, such as the New Year's polar bear swim. The business has a fiscal year end of December 31. It sells one kind of burger, which are purchased frozen. On January 1, Bert's had 220 units in inventory with a cost of $3.20 each. During the year, 810 units were sold. Bert's Beachside Burgers uses a periodic inventory system. Do not enter dollar signs or commas in the input boxes. Round per unit values to 2 decimal places. Round all answers to 2 decimal places. Date Purchases Quantity Cost Value Jan 1 220 $3.20 $ 704 Feb 20 420 $3.10 $ 1302 Mar 15 320 $2.90 $ 928 Jun 10 180 $2.75 $ 495 Sep 30 460 $2.50 $ 1150 Nov 20 110 $2.25 $ 247.5 Required Assuming weighted average cost inventory valuation is used, calculate totali) cost of sales and ii) ending inventory. Cost of Sales = $ Ending Inventory = $