Subtract.

6 2/3 − 4 4/9

2 4/9

2 2/9

2 6/9

2 10/9

Rose and andrew are financing $128,000 to purchase a condominium. they obtained a 15-year, fixed-rate loan with a rate of 5.05%. they have been given the option of purchasing up to four points to lower their rate to 4.81%. how much will the four points cost them?