A production line is to be designed for a job with three tasks. The task times are $0\mathrm{.}3$ minutes, $1\mathrm{.}4$ minutes, and $0\mathrm{.}7$ minutes. For a single production line with no parallel activities, the minimum cycle time in minutes is

Multiple Cholce

$0\mathrm{.}3$

$0\mathrm{.}7.$

$14.$

$2\mathrm{.}4.$

$0\mathrm{.}81$