RAZR WIRELESS sells a variety of mobile telephone accessories including several brands of Wireless Earbuds Bluetooth Headphones. The earbuds are sold in cases, with each case containing a pair of earbuds. RAZR began the last quarter $($October to December$)$ of $2021$ with $30$ cases of the $($TOZO T$6)$ earbuds at a total cost of $$187,800.$ During the quarter the business completed the following transactions relating to the "TOZO T$6"$ earbuds:

$\backslash$table$[[$October $8,\backslash$table$[[98$ cases were purchased at a cost of $$6,202$ each. In addition, the business paid a freight$],[$charge of $$248$ cash on each case to have the inventory shipped from the point of purchase$],[$to their place of business.$]]],[$October $31,\backslash$table$[[$The sales for October were $85$ cases which yielded total sales revenue of $$809,030.(25$ of$],[$these cases were sold on account to three longstanding customers$)]]],[$November $4,$A new batch of $67$ cases was purchased at a total cost of $$465,650$