Wonka Candy Ltd$.$ is a retail company that sells chocolate bars. The company uses the perpetual inventory system and follows the FIFO method for inventory valuation. The following information is available for November $2023.$

$\backslash$table$[[$Date$,$Activity,Units,$\backslash$table$[[$Cost$/$ Selling$],[$price per unit$]]],[$November $1,\backslash$table$[[$Opening$],[$inventory$]],300,$$$2\mathrm{.}50$