Which of the following statements is true?

When computing the cost per equivatent unit, it is necessary to conslder the percentage completion of the units in beginning linventary under the weighted. average method.

In calculating cost per equivalent unit under the weighted$-$average method, prior period costs are combined with current period costs.

Multiple Choice

Statement $1$ is true.

Statement $2$ is true.

Both statements are true.

Neither statement is true.