When the target debt ratio is 1:
and
Although the return on assets is still not affected by changes in the capital structure, the weighted average
cost of capital is because the interest payments are tax deductible. The 8 percent interest rate required by
Albarval’s debt holders changes to 4.8 percent [8% (1 – .40)] when the corporate tax rate is 40 percent.
7. The value of the interest tax shield.
a.
The annual tax savings, or interest tax shield (ITS), is:
ITS = Tax rate Interest rate Amount of debt
If the debt is permanent, the present value of the interest tax shield is equal to the present value of a
perpetual annuity of $700,000 at 8 percent:
Note that the value of the tax shield would represent 8.75 percent of the market value of the firm, since
If the debt matures in five years, the present value of the interest tax shield is equal to the present value of
a five-year annuity of $700,000 at 8 percent:
000,700$
000,700$
000,700$
000,700$
000,700$