Carlos decided to open a small lemonade stand in his neighborhood. On the first day, he made 45 cups of lemonade. He sold 27 cups in the morning and 12 more in the afternoon. On the second day, Carlos made 36 cups of lemonade and sold 29 cups. Each cup was sold for $2. Carlos also bought 20 lemons for $10 and used 15 of them. To expand his stand, he purchased 5 more lemons the next day. By the end of the weekend, Carlos had made $104 and spent $25 on supplies.