Austin Enters a Contract with Bess to Remodel Her Kitchen

Essay

Austin enters a contract with Bess to remodel her kitchen within one month.He repeatedly comes to her house to start the project, but Bess does not let him begin because she says she needs unrestricted use of her kitchen.Bess has:
a.not caused a discharge of Austin's duty under the contract; they will have to work out another time.
b.violated the perfect tender rule.
c.materially breached the contract by substantially interfering with or preventing Austin's performance.
d.created an accord.