 For example, in an Ontario case, a property owner agreed to sell an option for the sale of his property for the sum of $1.00.The owner later learned that options to purchase property usually sell for more than nominal sums.The court enforced the contract in favour of the option holder, ruling that the negotiations over the price of the option and the price the option holder would pay for the house if he chose to buy were both fairly negotiated and that the seller had adequate opportunity to investigate the market and simply did not do so.