Given the data table in Question $1$ and an allowance factor for the job of $15\%,$ complete the calculations below.

Calculate the normal time for work element $1.$

$0\mathrm{.}5481$

$0\mathrm{.}6503$

$0\mathrm{.}6302$

$0\mathrm{.}7247$

$2\mathrm{.}74$