7. Nat purchased a typewriter from Rob. Rob is not in the business of selling typewriters. Rob tendered delivery of the typewriter after receiving payment in full from Nat. Nat informed Rob that he was unable to take possession of the typewriter at that time, but would return later that day. Before Nat returned, the typewriter was destroyed by a fire.

The risk of loss

a. Passed to Nat upon Rob’s tender of delivery.

b. Remained with Rob, since Nat had not yet received the typewriter.

c. Passed to Nat at the time the contract was formed and payment was made.

d. Remained with Rob, since title had not yet passed to Nat.