takeoff collar on heating duct system. The engineer used continuous timing and recorded the observations in the following table along with a performance rating for each task. The allowance factor for the job is $17$ percent. All times are in minutes.

$\backslash$table$[[$Cycle$,1,2,3,4,$PRF$],[$Cut hole,$11,10,8,9,0\mathrm{.}8],[$Insert collar,$12,15,10,11,0\mathrm{.}9],[$Fold down flaps,$19,19,17,20,0\mathrm{.}9],[$Apply sealant,$22,24,25,29,1\mathrm{.}1]]$

What is the standard time for the Apply sealant step?

a$.8\mathrm{.}0$ minutes

b$.7\mathrm{.}7$ minutes

c$.7\mathrm{.}4$ minutes

d$.8\mathrm{.}3$ minutes