They followed this up with a quotation confirming their fee of 3.5% of the sale price, payable upon completion on a sole agency basis. A budget cost of £18,000 was scheduled for photography and advertising in national magazines. The Holdens signed and returned Colabriot agency contract. However, they crossed out a number of what they regarded as ‘get-out’ clauses for Colabriot so as to leave Colabriot fully liable for the provision of their services. Colabriot did not respond in this respect following receipt.