Bob the Builder builds a deck for Ellen for $$7,500.$ Bob the Builder builds the frame for the deck, installs the decking $($the flooring$)$ and builds the stairs. As a matter of fact Bob the Builder builds all of the deck except for the railing on the stairs. Which of the following statements is most accurate?

Group of answer choices

Bob the Builder has substantially performed the contract and therefore Ellen must still pay him the $$7,500$ she owes him. Ellen will be entitled to damages from Bob the Builder to compensate her the railing he failed to install.

Bob the Builder breached the contract and therefore Ellen does not need to pay him for the contract.

Bob the Builder breached the contract in a material manner and therefore Ellen must pay Bob the Builder for everything but for the installation of the railings.

Bob the Builder has substantially performed the contract but because Bob the Builder did not fulfill his obligations under the contract Ellen does not have to pay Bob the Builder any of the money.

None of the answers are correct.