Schapp Corporation keeps careful track of the time required to fill orders. The times recorded for a particular order appear below:

Hours

Move time $3\mathrm{.}9$

Wait time $11\mathrm{.}7$

Queue time $8\mathrm{.}1$

Process time $2\mathrm{.}8$

Inspection time $1\mathrm{.}7$

The throughput time was:

Multiple Choice

$19\mathrm{.}8$ hours

$28\mathrm{.}2$ hours

$8\mathrm{.}4$ hours

$16\mathrm{.}5$ hours