'Ipies of Micrm ssignment 5031?? El Resources 9 Hint Check A uestion 10 of 15 > The Core Principles of Economics End of Chapter Problem Marah is deciding whether or not to open a lemonade stand. She expects to sell 20 cups of lemonade for $1 per cup. She already made a sign that cost her $10 and will have $15 worth of additional costs for cups and lemonade mix if she decides to open the stand. a. If Marah decides to open the lemonade stand, how much prot will she earn? A .''7