Derrick Offered to Purchase Perry's Vehicle for $3,050 Cash,with Perry

Derrick offered to purchase Perry's vehicle for $3,050 cash,with Perry to deliver the vehicle the next Wednesday,at which time Derrick would pay the $3,050.On the Wednesday,when Perry did not deliver,Derrick went to Perry's home,and found him in his garden.Derrick offered Perry the money,but Perry refused,saying that he had changed his mind,and did not wish to sell his automobile.
-If Derrick had in his possession three $1,000 bills,and one $100 bill,his tender would be invalid,even though he had cash in excess of the amount requested.