Roberts Jewelers bought a necklace for $1,800. Roberts prices items with a 40% markup on cost. What is the selling price of the necklace? $2,880 $2,520 $3,000 $4,500 O $1,080 Question 30 2 pts Pete Jones, store manager for Widgets R Us, does not know how to price a widget that cost $800. Pete knows that his boss wants a 40% markup on selling price. What should Pete set as the selling price of the widget? $480 $1,120 $832 $1,333 $2,000