A client is interested to know whether its prices should have odd (i.e., $9.99) or even (i.e., $10.00) endings. Its goal is to increase the average units purchased per transaction and overall product sales. Design a simple experiment for the client. Be sure to note the independent variable(s), any dependent variable(s), and any extraneous variables that you would need to account for. There is not a specific correct answer, but you will be graded on how well you apply good principles of experimental design in your