If I understand correctly what you want, so this can help you:
<b>Excel 2007</b><table cellpadding="2.5px" rules="all" style=";background-color: #FFFFFF;border: 1px solid;border-collapse: collapse; border-color: #A6AAB6"><colgroup><col width="25px" style="background-color: #E0E0F0" /><col /><col /><col /><col /></colgroup><thead><tr style=" background-color: #E0E0F0;text-align: center;color: #161120"><th></th><th>A</th><th>B</th><th>C</th><th>O</th></tr></thead><tbody><tr ><td style="color: #161120;text-align: center;">1</td><td style="font-weight: bold;;">Ref</td><td style="font-weight: bold;;">Name</td><td style="font-weight: bold;;">Month01</td><td style="font-weight: bold;;">Month01</td></tr><tr ><td style="color: #161120;text-align: center;">2</td><td style="text-align: right;;"> 9908799 </td><td style=";">Name54</td><td style="text-align: right;;">$610.00 </td><td style="text-align: right;;">$610.00 </td></tr><tr ><td style="color: #161120;text-align: center;">3</td><td style="text-align: right;;"> 7,273,078 </td><td style=";">Name54</td><td style="text-align: right;;">$459.00 </td><td style="text-align: right;;">$459.00 </td></tr><tr ><td style="color: #161120;text-align: center;">4</td><td style="text-align: right;;"> 1,716,266 </td><td style=";">Name29</td><td style="text-align: right;;">$807.00 </td><td style="text-align: right;;">($807.00)</td></tr><tr ><td style="color: #161120;text-align: center;">5</td><td style="text-align: right;;"> 3,874,225 </td><td style=";">Name91</td><td style="text-align: right;;">$664.00 </td><td style="text-align: right;;">$664.00 </td></tr><tr ><td style="color: #161120;text-align: center;">6</td><td style="text-align: right;;"> 6,529,328 </td><td style=";">Name64</td><td style="text-align: right;;">($186.00)</td><td style="text-align: right;;">($186.00)</td></tr><tr ><td style="color: #161120;text-align: center;">7</td><td style="text-align: right;;"> 7,951,165 </td><td style=";">Name76</td><td style="text-align: right;;">$279.00 </td><td style="text-align: right;;">$279.00 </td></tr><tr ><td style="color: #161120;text-align: center;">8</td><td style="text-align: right;;"> 1373341 </td><td style=";">Name40</td><td style="text-align: right;;">$159.00 </td><td style="text-align: right;;">($159.00)</td></tr><tr ><td style="color: #161120;text-align: center;">9</td><td style="text-align: right;;"> 8,706,688 </td><td style=";">Name15</td><td style="text-align: right;;">$675.00 </td><td style="text-align: right;;">$675.00 </td></tr><tr ><td style="color: #161120;text-align: center;">10</td><td style="text-align: right;;"> 62,133 </td><td style=";">Name18</td><td style="text-align: right;;">$317.00 </td><td style="text-align: right;;">$317.00 </td></tr></tbody></table><p style="width:3.6em;font-weight:bold;margin:0;padding:0.2em 0.6em 0.2em 0.5em;border: 1px solid #A6AAB6;border-top:none;text-align: center;background-color: #E0E0F0;color: #161120">Sheet1</p><br /><br /><table width="85%" cellpadding="2.5px" rules="all" style=";border: 2px solid black;border-collapse:collapse;padding: 0.4em;background-color: #FFFFFF" ><tr><td style="padding:6px" ><b>Worksheet Formulas</b><table cellpadding="2.5px" width="100%" rules="all" style="border: 1px solid;text-align:center;background-color: #FFFFFF;border-collapse: collapse; border-color: #A6AAB6"><thead><tr style=" background-color: #E0E0F0;color: #161120"><th width="10px">Cell</th><th style="text-align:left;padding-left:5px;">Formula</th></tr></thead><tbody><tr><th width="10px" style=" background-color: #E0E0F0;color: #161120">O2</th><td style="text-align:left">=IF(<font color="Blue">(<font color="Red">1*$A2<100000</font>)+(<font color="Red">1*$A2>1999999</font>),C2,-ABS(<font color="Red">C2</font>)</font>)</td></tr></tbody></table></td></tr></table><br />
Markmzz