$3\mathrm{.}2$ How long will it take to complete $3$ operations with $2$ minutes downtime between

operations when an operation that takes $10$ minutes takes up $10$ minutes of the available

time of

$1.$ a machine,

$2.$ an operator,

$3.$ or other resources.

$-$ Total operation time $(2)$

$-$ Total downtime $(4)$

$-$ Total required time $(2)$

$3\mathrm{.}3$ State the five factory performance measures that are about time and define them. $(10)$