Use the information provided below to calculate the following:

Closing inventory as at $31$ March $2024$

Cost of goods avallable for sale during March $2024$

Gross profit for March $2024$

INFORMATION

You are provided with the inventory record of Trendy Traders, which sells smartwatches, for the month ended $31$ March $2024.$ The business uses the specific identification method to value inventories.

Inventory record of smartwatches for the month ended $31$ March $2024$

$\backslash$table$[[$Model$,\backslash$table$[[$Unit$],[$Cost$]],\backslash$table$[[$Inventory on$],[01$ March $2024]],$Purchases,Sales$],[,$R$,$Units,Units,Units,Price $($R$)],[$Huawei$,4000,100,300,320,6000],[$Samsung$,5000,160,400,460,7000],[$Garmin$,6000,120,250,220,8000],[,,380,950,1000,]]$