The standard length of a film reel id 300. on the first day of shooting a movie, a director uses 30% of the film on one reel. how long is the strip of film that was used

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?