Santoyo Corporation keeps careful track of the time required to fill orders. Data concerning a particular order appear below:

Hours

Wait time $12\mathrm{.}2$

Process time $1\mathrm{.}3$

Inspection time $0\mathrm{.}5$

Move time $3\mathrm{.}9$

Queue time $5\mathrm{.}6$

The delivery cycle time was:

Multiple Choice

$9\mathrm{.}5$ hours

$21\mathrm{.}7$ hours

$23\mathrm{.}5$ hours

$3\mathrm{.}9$ hours