Problem $6-2$A $($Algo$)$ Calculate ending inventory, cost of goods sold, sales revenue, and gross profit for four inventory methods $($LO$6-3,6-4,6-5)$ Mitchell Bicycle Shop has the following transactions related to its top$-$selling Mongoose mountain bike for the month of March. Mitchell Bicycle Shop uses a periodic inventory system. $[[$Date$,$Transactions,Units,Unit Cost,Total Cost$],[$March $1,$Beginning inventory,$20,230,4,600$