You would like to modernise your business to expand you food sales as you see this as the most profitable part of your business, but you do not have the spare funds to pay for the upgrades you want. Although you know the upgrades would result in a marked increase in business. This is just an example, funds can be used for any purpose. Including VAT. HMRC other outstanding debts.
Modernisation would cost £35,000 you know that this would generate at least £1300 of extra profit per week the cost of the funding would be £1239 after 29 weeks the advance has been paid back and you keep all the extra profits. Because the repayments were linked to card sales your repayments varied in line with your income so in your quite periods you could still afford the payments. .