If the simple interest on a certain sum is due for some years at

• A. <table><tr><td rowspan="2"> 2100 and 1</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;">3</td><td rowspan="2">Year</td></tr><tr><td style="text-align: center;">7</td></tr></table>
• B. <table><tr><td rowspan="2"> 2200 and 2</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;">3</td><td rowspan="2">Year</td></tr><tr><td style="text-align: center;">7</td></tr></table>
• C. <table><tr><td rowspan="2"> 2000 and 2</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;">3</td><td rowspan="2">Year</td></tr><tr><td style="text-align: center;">7</td></tr></table>
• D. <table><tr><td rowspan="2"> 2300 and 1</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;">3</td><td rowspan="2">Year</td></tr><tr><td style="text-align: center;">7</td></tr></table>
• E. None of these