Industry Analysis $-$ Applied Strategy

Seerse, Inc. is a diversified company that has six lines of business. The company's management states that all these businesses are essential to its competitive future. This table describes the different businesses' contribution to revenue and profits:

$\backslash$table$[[$Business$,\%$ of revenue,$\%$ of profit$],[$Retailing $($discount dept. stores$),50,18],[$Insurance$,30,50],[$Consumer credit card operations,$6,17],[$Stock brokerage,$5,6],[$Commercial$/$residential real estate,$4,8],[$Drivers$\text{'}$ education,$5,1]]$

Explain the variability in the sales$/$profit across Seerse's businesses.

In what business is Seerse more successful? Explain your answer.