the table show 1 2 3 4 5s the prices and numbers of commodities bought.

Number of commodities (Q) 1 2 3 4 5
Price (N) 5 10 x 20 y

Sorry, there seems to be some information missing in the table. It is not possible to answer the question with the given information. Can you please provide the complete table or more information about the problem?

To determine the missing values for x and y in the table, we need additional information.