One type of systematic error arises because people tend to think of benefits in percentage terms rather than in absolute dollar amounts. For example, Samir is willing to drive 20 minutes out of his way to save $4 on a grocery item that costs $10 at a local market. But he is unwilling to drive 20 minutes out of his way to save $10 on a laptop that costs $400 at a local store.

Instructions:In part a, round your answers to 1 decimal place. In part b, enter your answers as a whole number.

a. In percentage terms, how bigare the savings on the grocery item?

%

On the laptop?

%