Harmon executed a written contract with Boski to purchase an assorted collection of shoes for $3,000. A week before the agreed upon shipping date, Boski called Harmon and said, "Due to a sudden shortage of workers, we just cannot deliver at the agreed upon price of $3,000. Unless you agree to pay $4,000, we will have to cancel your order." Harmon agreed to pay the $4,000 price. After the shoes were delivered and accepted by Harmon, Harmon refused to pay the $4,000 price and instead remitted payment for $3,000, Boski now sues Harmon for $1,000. a. Harmon wins because the contract modification is not supported with new consideration Ob. Boski wins because the modification was made in good faith OC Harmon wins because the modification was not in writing d. Boski wins because the modification is binding when the shoes were delivered and accepted