Christian sets aside $60 per month for daily coffee. McDonalds sells coffee for $1, and The Bean Sprout sells a cup of coffee for $3. a. Create an equation that represents the combinations of coffee options that allow Christian to stay in his budget. b. Graph the equation for his budget. C. Provide 2 combinations that use his entire budget, 1 combination that would be under budget, and 1 combination that would be over his budget.