Which of the following best states Fruitko's rights and duties upon delivery of the peaches?
Although a contract was formed when Orchard shipped the peaches, Fruitko does not have to accept them
Orchard's shipment of the peaches was a counteroffer and Fruitko can refuse to accept them.
Orchard's shipment of the peaches was a counteroffer but, since peaches are perishable, Fruitko, if it does not want to accept them, must reship the peaches to Orchard in order to mitigate Orchard's losses. 
Fruitko must accept the peaches because a contract was formed when Orchard shipped them.