URL: https://www.rikfit.co.uk/tyres/28709/summer-tyre-goodride-sa37-31540r21-111-y<br />Fully Fitted<br />-------------<br />This tyre is from supplier and for 21'(inch) tyre margin in set 35%<br />So price = (cost price from coming csv + &pound;5.00) multiply 35% <br />price = price + (vat 20%)<br /><br />&pound;61.10 + &pound;5.00 = &pound;66.10<br />&pound;66.10 + &pound;23.135‬‬(35% Margin) = &pound;89.235‬<br />&pound;89.235‬ * 1.2(VAT 20%) = &pound;107.082<br />That's it the price calculation as shown in the listing page[task_attachment]