Cookie Monster opens a business selling cookies in IC. He plans on selling 4000 cookies for $1 each in his first month and, and he has the following costs. -- Rental of sales table: $500 per month --Baker's wage: $0.20 per cookie --Ingredients and packaging for cookies: $0.30 per cookie -- Rental of Kitchen: $600 per month --Salespeople's salary $400 per month Operating Income in the first month is: 15 1) $500 2) $2500 3) $3500 4) $4000 SM