Which of the following statements about the just$-$in$-$time $($JIT$)$ system is TRUE?

Multiple Choice

$800$:$21$:$50$

When using the JIT system, a firm should protect itself against uncertainty by maintaining a reserve inventory at production and stocking points.

:::

The JIT system is used in situations where inventory will be stored over significant periods of time.

The JIT system is used in situations where demand and forecasting are reliable.

$100\%$

The JIT system raises inventory costs.