Final answer:
The Sampsons should compare the after-tax yield of corporate bonds to the tax-free yield of municipal bonds when deciding which to invest in for college savings, considering their tax bracket and the risks associated with corporate bonds.
Step-by-step explanation:
Investing in Bonds for College Savings
When the Sampsons are choosing between investing in municipal bonds and corporate bonds, they should consider the after-tax return on their investment. Although municipal bonds offer a lower coupon rate of 2%, this interest is not subject to federal income taxes. On the other hand, corporate bonds offer a higher coupon rate of 4%, but this income is taxable. If Dave and Sharon are in a higher tax bracket, the taxable equivalent yield on the municipal bonds may actually be greater than the yield on the corporate bonds after accounting for taxes.
Corporate bonds are considered riskier than government bonds, leading to a higher interest rate, as firms are riskier borrowers. However, highly rated corporate bonds and Treasury bonds interest rates tend to rise and fall together, indicating a correlation in their market interest rate movements. Nevertheless, the key difference here is the tax treatment. To make an informed decision, Dave and Sharon need to compare the net return on corporate bonds after taxes to the return on municipal bonds.
Moreover, if interest rates rise, bonds issued at lower rates sell for less than face value. Conversely, if interest rates fall, bonds with higher rates will sell for more. For example, if buying a bond with a face value of $1,000 and a coupon rate of 8% when market rates are at 9%, the price of the bond will be below its face value, making its yield higher than the coupon rate.