A manager observes a worker assembling gift baskets and records the data displayed in the table.

$\backslash$table$[[$Time $($minutes$),$Observations$],[18,10],[20,12],[22,15]]$

Use the information in the scenario. What is the normal time for this job element if the rating factor is $80\%?$

$16\mathrm{.}22$ minutes

$15\mathrm{.}06$ minutes

$25\mathrm{.}34$ minutes

$18\mathrm{.}37$ minutes