In Exercises 9-18, use the vectors u = (2, 2), v = (-3,4) and w = (1, -2) to find the indicated quantity. State
whether the result is a vector or a scalar.

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?