Introduction
A consumer diary is important for the following reasons. One, It is used to capture frequent and small purchased items that a consumer uses. The diary is meant to capture all the expenses on food and beverages that a consumer uses nonprescription drug and supplies, tobacco and personal care products. A consumer diary is self-managed within a specified period of time. The diary is used to show the amount of expenditure a consumer uses on products that they use. It can also be employed in analyzing the consumers’ loyalty towards the items and also checking consumer behavior (Maclaran, et al., 2007). An example ...