The above table shows the total utility Nick gets from sandwiches and from iced tea. The price of a sandwich is $6 and the price of an iced tea is $3. Nick has $21 to spend on these two products. On a separate piece of paper write down the above table and fill in the blank columns. Then use the utility maximizing rule to answer the following questions:

If Nick is maximizing his utility, how many sandwiches will he buy?

If Nick is maximizing his utility, how many iced teas will he buy?