QUESTION $4$a $(10$ Marks$)$

On $17$ March, Tilly sells goods to the four customers shown in the table. The value of the goods is also shown. VAT has not yet been included in the invoice price of the goods.

Calculate the value of VAT in each case and the total value of the invoice to be sent to each customer.

$\backslash$table$[[$CUSTOMER$,$VALUE OF GOODS SOLD,VAT,INVOICE TOTAL$],[$Nina$,$R $60\mathrm{.}50,,],[$Khentsane$,$R $80\mathrm{.}85,,],[$Phuti$,$R $90\mathrm{.}50,,],[$Bongi$,$R $450\mathrm{.}20,,]]$

QUESTION $4$b $(10$ Marks$)$

On $4$ September, Harry receives invoices for goods that he purchased. The invoices show the total price of the goods including VAT. Calculate the value of goods that Harry received, and the amount of VAT added to this to produce the invoice total.

$\backslash$table$[[$SELLER$,$INVOICE TOTAL,VALUE OF GOODS PURCHASED,VAT$],[$Cindi$,$R $250\mathrm{.}20,,],[$Xolani$,$R $375\mathrm{.}20,,],[$Tenyeko$,$R$8450\mathrm{.}20,,],[$Azwindini$,$R $88\mathrm{.}42,,]]$