Answer:
$1,500; 15%
8.49%; $849
Explanation:
Her original capital gain, excluding inflation is:
[tex]C=11,500-10,000\\C=\$1,500\\\\r=\frac{11,500}{10,000}-1=0.15\\ r=15\%[/tex]
Donna's capital gain, for tax purposes is $1,500, which is a 15% gain on her investment.
Let 'i' be the rate of inflation of 6%. The adjusted capital gain is given by:
[tex]r_A = \frac{1+r}{1+i}-1=\frac{1+0.15}{1+0.06}-1\\ r_A=0.0849=8.49\%\\\\C_A=0.0849*10,000\\C_A=\$849[/tex]
Donna's real capital gain is 8.49%, or $849.