A world-famous photographer of wild animals and nature, Sonja Rego sells framed prints of select photographs over the Internet. Regardless of the picture bought, she offers buyers a choice in framing: a plain black frame or a fancy frame with a certificate of authenticity.

Based on initial cost estimates, Sonja believes the Deluxe frames to be more profitable than the Standard frames. However, her profits have slipped every quarter even as the proportion of Deluxe frames sold has increased. She has asked for your help in figuring out what she might be doing wrong. She provides the following data