While aligning a hill road with a ruling gradient of $6 \%,$ a horizontal curve of radius $50 \mathrm{~m}$ is encountered. The grade compensation (in percentage, up to two decimal places) to be provided for this case would be
While aligning a hill road with a ruling gradient of $6 \%,$ a horizontal curve of radius $50 \mathrm{~m}$ is encountered. The grade compensation (in percentage, up to two decimal places) to be provided for this case would be