Please chegg question 3 and 4 using IRAC method. It is for Legal environment in business 1

3. Lee contracts to paint Sally's two-story house for $2,500. Sally realizes that she will not have sufficient money, so she transfers her rights under this agreement to her neighbor Karen, who has a three-story house. Karen notifies Lee that Sally's contract has been assigned to her and demands that Lee paint Karen's house for $2,500. Is Lee required to do so? 4. Assume that Lee agrees to the assignment of the house-painting contract to Karen as stated in question 3. Thereafter, Lee fails to perform the contract to paint Karen's house. Karen sues Sally for damages. Is Sally liable