10. Todd offers to sell Jacob his old snowmobile one day while they are at lunch together. Jacob says he will think about it. Once Todd gets home, he sends Jacob an email stating he will sell the snowmobile for $1500.00 to Jacob. Jacob immediately responds and says "yes.' A contract is formed. Immediately after, Todd realizes that he meant to type "$2500.00" instead of $1500.00. Todd is concerned about the mistake. He immediately notifies Jacob that he meant to sell the snowmobile for $2500.00 and he had make a mistake. Jacob would not agree to pay $2500.00 and stated that he ONLY owes Todd $1500.00 for the snowmobile. What is true: a. This is a bilateral mistake because both parties were mistaken about the price. b. This is a unilateral contract and Jacob only has to pay Todd once Todd delivers the snowmobile to Jacob. c. This is a unilateral mistake and the contract is enforceable for $1500.00. d. This is a unilateral mistake and the contract is still enforceable, but at the price of $2500.00