The RBC says lines of credit for education are popular and the size of loans to students has been going up as tuition costs have increased. Compared to “good debt” like a mortgage, student loan rates are higher, because the debt is riskier. Financial institutions know that students need help and have created financial-management Web sites and other educational material to help students. 

Explain how this news clip illustrates the attempts by banks to maximize profits. Why are interest rates on student loans higher than those on mortgages?