Scott buys a used Ford truck from Scottsbluff Motors, Inc., paying $2,000 down and agreeing to pay off the balance 36 monthly payments of $500 each. The terms of the agreement call for Scott to make a payment on or before the first of each month, beginning March 1. During the first six months, Scottsbluff Motors receives a $500 payment before the first of each month. Starting in September, however, and continuing for the subsequent five months, Scott's payment is never made until the fifth of the month. Scottsbluff Motors accepts and cashes the payment check each time. Before the next payment is due, Scottsbluff Motors decides that it is no longer willing to accept late payments. Can Scottsbluff Motors sue Scott immediately for breach? Can Scott continue to make late payments without liability? Explain