Which number is both a factor of 80 and a multiple of 4? select three that apply. a. 40 b. 1 c. 2 d. 8 e. 32 f. 16

Will mark the brainliest.paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each?