Orcasa, Inc., which uses a predetermined overhead rate based on direct labor hours, estimated total overhead for the year to be $$12,000,000,$ and total direct labor hours to be $400,000$ hours.

In April, Orcasa incurred actual overhead costs of $$1,125,000$ and used $40,000$ hours.

$1.$ Calculate Orcasa$$s predetermined overhead rate.

Predetermined overhead rate per direct labor hour: $Answer $1$

$2.$ How much was Orcasa$$s over$-$ or under$-$applied overhead for the month of April?

Note: Do not use a negative sign.

Orcasa Answer $2$overunder $-$applied overhead by $Answer $3$ for the month of April.