Andrew paid $30 to buy a potato cannon, a cylinder that shoots potatoes hundreds of feet. he was willing to pay $45. when andrew's friend nick learns that andrew bought a potato cannon, he asks andrew if he will sell it for $60, and andrew agrees, since he would have sold it for $45. nick is thrilled, since he would have paid andrew up to $80 for the cannon. andrew is also delighted. what is andrew's producer surplus from the resale? $15$20$30$50

University hero is considering expanding operations beyond its healthy sandwiches. jim axelrod, vice president of marketing, would like to add a line of smoothies with a similar health emphasis. each smoothie would include two free health supplements such as vitamins, antioxidants, and protein. jim believes smoothie sales should fill the slow mid-afternoon period. adding the line of smoothies would require purchasing additional freezer space, machinery, and equipment. jim provides the following projections of net sales, net income, and average total assets in support of his proposal. sandwichesonly sandwiches and smoothies net sales $ 750,000 $ 1,350,000 net income 120,000 210,000 average total assets 350,000 750,000 return on assetschoose numerator ÷ choose denominator = return on assets÷ = return on assets÷ = profit margin÷ = profit margin÷ = asset turnover÷ = asset turnover÷ = times