LaTisha Contracted with Marco,who Operates a Farm in Guatemala,for the Importation

Multiple Choice

LaTisha contracted with Marco,who operates a farm in Guatemala,for the importation of some great coffee beans for her coffee shop.The contract provided that Marco would be sure the coffee arrived by September 1st,in time for an open house LaTisha had planned.LaTisha was not worried because Marco had always delivered on a timely basis in the past.Marco was busy and was late getting the beans in transit.The beans did not arrive until September 2nd.LaTisha shipped them back and refused to pay.Marco sued.What is LaTisha 's best defense?

A) She has no defense because he was only one day late,and she should pay.
B) That Marco beans were not that good and that she decided to go with another brand.
C) That Marco violated the perfect tender rule.
D) That Marco failed to materially perform.
E) That Marco failed to substantially perform.