TT Inc Creates and Sells Hats

T.T. Inc creates and sells hats. The Local Ironworkers 452 have contracted with T.T. Inc to purchase 150,000 hats for $15,000 with a delivery date of July 1. Local Ironworkers 452 paid a $5,000 deposit upon signing the contract, with the remaining $10,000 balance due when the hats are delivered. In the contract, Local Ironworkers 452 specified that "time is of the essence due to a local union campaign." What must Local Ironworkers 452 do at this time:

A) provide adequate facilities/place to receive the hats
B) allow T.T. Inc. to cure before the delivery deadline if the hats are nonconforming
C) pay the remaining $10,000 balance if the hats are conforming and delivered on or before July 1
D) All of the choices are correct.