mml=<math xmlns="http://www.w3.org/1998/Math/MathML"><mstyle mathsize="12px"><mi mathvariant="normal">C</mi><mo>.</mo><mi mathvariant="normal">I</mi><mo>.</mo><mo>=</mo><mi mathvariant="normal">P</mi><mfenced open="[" close="]" separators="|"><mrow><msup><mfenced separators="|"><mrow><mn>1</mn><mo>+</mo><mfrac><mi mathvariant="normal">R</mi><mn>100</mn></mfrac></mrow></mfenced><mi mathvariant="normal">T</mi></msup><mo>-</mo><mn>1</mn></mrow></mfenced><mspace linebreak="newline"/><mo>&#x21D2;</mo><mn>2544</mn><mo>=</mo><mi mathvariant="normal">P</mi><mfenced open="[" close="]" separators="|"><mrow><msup><mfenced separators="|"><mrow><mn>1</mn><mo>+</mo><mfrac><mn>12</mn><mn>100</mn></mfrac></mrow></mfenced><mn>2</mn></msup><mo>-</mo><mn>1</mn></mrow></mfenced><mspace linebreak="newline"/><mo>&#x21D2;</mo><mn>2544</mn><mo>=</mo><mi mathvariant="normal">P</mi><mfenced open="[" close="]" separators="|"><mrow><msup><mfenced separators="|"><mfrac><mn>28</mn><mn>25</mn></mfrac></mfenced><mn>2</mn></msup><mo>-</mo><mn>1</mn></mrow></mfenced><mspace linebreak="newline"/><mo>&#x21D2;</mo><mn>2544</mn><mo>=</mo><mi mathvariant="normal">P</mi><mfenced separators="|"><mrow><mfrac><mn>784</mn><mn>625</mn></mfrac><mo>-</mo><mn>1</mn></mrow></mfenced><mspace linebreak="newline"/><mo>&#x21D2;</mo><mn>2544</mn><mo>=</mo><mi mathvariant="normal">P</mi><mfenced separators="|"><mfrac><mrow><mn>784</mn><mo>-</mo><mn>625</mn></mrow><mn>625</mn></mfrac></mfenced><mo>=</mo><mfrac><mrow><mi mathvariant="normal">P</mi><mo>&#xD7;</mo><mn>159</mn></mrow><mn>625</mn></mfrac><mspace linebreak="newline"/><mo>&#x21D2;</mo><mi mathvariant="normal">P</mi><mo>=</mo><mfrac><mrow><mn>2544</mn><mo>-</mo><mn>625</mn></mrow><mn>159</mn></mfrac><mo>=</mo><mi>&#x930;&#x941;</mi><mi mathvariant="normal">.</mi><mn>10000</mn><mspace linebreak="newline"/><mo>&#x2234;</mo><mi mathvariant="normal">S</mi><mo>.</mo><mi mathvariant="normal">I</mi><mo>.</mo><mo>=</mo><mfrac><mrow><mi mathvariant="normal">P</mi><mo>&#xD7;</mo><mi mathvariant="normal">R</mi><mo>&#xD7;</mo><mi mathvariant="normal">T</mi></mrow><mn>100</mn></mfrac><mspace linebreak="newline"/><mo>=</mo><mfrac><mrow><mn>10000</mn><mo>&#xD7;</mo><mn>2</mn><mo>&#xD7;</mo><mn>12</mn></mrow><mn>100</mn></mfrac><mo>=</mo><mi>&#x930;&#x941;</mi><mi mathvariant="normal">.</mi><mn>2400</mn></mstyle></math>