Unique Limited entered into the following inventory transactions during April $2015$ April.

$\backslash$table$[[$Date$,$Details$],[1$ April,$\backslash$table$[[$Inventory on hand:$],[14$ units at R$1\mathrm{.}80$ each$],[6$ units at R$2\mathrm{.}00$ each$]]],[5$ April,$\backslash$table$[[$Purchased $60$ units at R$3\mathrm{.}00$ each$],[$Purchased $35$ units at R$4\mathrm{.}00$ each$]]],[15$ April,Purchased $40$ units at R$5\mathrm{.}00$ each$],[19$ April,Sold $50$ units$],[22$ April,Purchased $100$ units at R$4\mathrm{.}00$ each$],[30$ April,Sold $60$ units$]]$

All units are sold at a selling price of R$6\mathrm{.}00$ each. Unique Itd uses the perpetual inventory system.

Required:

Calculate the cost of closing inventory on hand at $30$ April $2015$ using each of the following methods.

$5\mathrm{.}1$ First In First Out $($FIFO$)$

$5\mathrm{.}2$ Weighted Average Cost Method.

$5\mathrm{.}3$ Calculate the gross profit under each method.