1- Johnson orders a large cup of coffee for $10 and purchases two donuts at a price of $6. The barista provides the products. The transaction price is

a-20 b-16 c-10 d-15

2- Johnson orders a large cup of coffee for $10 and purchases two donuts at a price of $10. The barista provides the products. The transaction price is

a-20 b-15 c-10 d-16

3- Johnson orders a large cup of coffee for $10 and purchases two donuts at a price of $5. The barista provides the products. The transaction price is

a-10 b-15 c-20 d-16