URL:&nbsp;<a href="https://www.rikfit.co.uk/tyres/36434/summer-tyre-winrun-r330-20555r16-91-v&amp;order_type=mobile_fitting">https://www.rikfit.co.uk/tyres/36434/summer-tyre-winrun-r330-20555r16-91-v&amp;order_type=mobile_fitting</a><br />Mobile Fitting<br />--------------<br />This tyre is from supplier and for 16' tyre margin set 50%<br />So price = (cost price from coming CSV + &pound;5.00) multiply 50%<br />price = price + (vat 20%)<br /><br />&pound;21.20 + &pound;5.00 = &pound;26.20<br />&pound;26.20 + &pound;13.10‬‬(50% Margin) = &pound;39.30<br />&pound;39.30 + &pound;10.00 (service charges) = &pound;49.30<br />&pound;49.30 * 1.2(VAT 20%) = &pound;59.16<br /><br />&pound;10.00 for mobile tyre-fitting service<br />That's it the price calculation as shown in the listing page[task_attachment]