Logistics Solutions maintains warehouses that stock items carried by its dot.com clients. When a client receives an order from a customer, the order is forwarded to Logistics Solutions, which pulls the item from storage, packs it$,$ and ships it to the customer. The company uses a predetermined variable overhead rate based on direct labor$-$hours.

In the most recent month, $155,000$ items were shipped to customers using $6,000$ direct labor$-$hours. The company incurred a total of $$17,400$ in variable overhead costs.

According to the company$$s standards, $0\mathrm{.}04$ direct labor$-$hour is required to fulfill an order for one item and the variable overhead rate is $$3\mathrm{.}00$ per direct labor$-$hour.

Required:

What is the standard labor$-$hours allowed $($SH$)$ to ship $155,000$ items to customers?

What is the standard variable overhead cost allowed $($SH $\backslash$times SR$)$ to ship $155,000$ items to customers?

What is the variable overhead spending variance?

What are the variable overhead rate variance and the variable overhead efficiency variance?