By how much percentage above the cost price should an article be marked up for sale so that after allowing two successive discounts of 20% and 6.25% on it, a net gain of 20% is made on the cost?
1
\(46\frac{1}{4}{\rm{\% }}\)
2
60%
3
\(66\frac{2}{3}{\rm{\% }}\)
4
50%