Melissa earns 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. how much did she earn last week if she sold 4,500 in electronics merchandise? round to the nearest cent. explain and show

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?