What is the difference (in ₹) between the compound interest when the interest is compounded 5-monthly, and the simple interest on a sum of ₹ P for \(1{1 \over 4}\) year at 12% p.a.?
1
\({61 \over 8000}P\)
2
\({91\over 8000}P\)
3
\({41 \over 8000}P\)
4
\( {51 \over 8000}P\)