Mary Has a Pet Shop and Verbally Orders 50 Packages

Multiple Choice

Mary has a pet shop and verbally orders 50 packages of dog food for puppies from a supplier for a total cost of $1,000. Later she calls the supplier and changes the order to food for adult dogs. When 50 packages of puppy food arrive, Mary complains. The supplier tells her that the modification was not valid because nothing was put in writing. Which of the following is the correct resolution of the dispute?

A) The supplier is correct because modification of orders of over $200 must be in writing.
B) The supplier is correct because modification of orders of over $500 must be in writing.
C) The supplier is correct because modification of orders of over $600 must be in writing.
D) The supplier is correct because modification of orders of over $800 must be in writing.
E) Mary is correct because under the circumstances, there was no requirement of a writing to modify the agreement.