The percentage increase in the amount spent on labour from 1991 to 2001, given that the total amount spent on the construction of the house is $ 3,60, 000 in 1991 and $ 8,64,000, in 2001 is

• A. <table><tr><td rowspan="2">3</td> <td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> 1</center></td><td rowspan="2">%</td></tr><td align="center">9</td></table>
• B. <table><tr><td rowspan="2">43</td> <td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> 1</center></td><td rowspan="2">%</td></tr><td align="center">3</td></table>
• C. <table><tr><td rowspan="2">41</td> <td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> 2</center></td><td rowspan="2">%</td></tr><td align="center">3</td></table>
• D. <table><tr><td rowspan="2">2</td> <td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> 2</center></td><td rowspan="2">%</td></tr><td align="center">9</td></table>
• E. None of these