ogistics Solutions provides order fulfillment services for dot$-$com merchants. The company 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 labour$-$hours.

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

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

Required:

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

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

What is the variable overhead spending variance and the variable overhead efficiency variance?

Note: For requirements $3,$ indicate the effect of each variance by selecting $"$F$"$ for favorable, $"$U$"$ for unfavorable, and "None" for no effect $($i$.$e$.,$ zero variance$).$ Input all amounts as positive values. Do not round intermediate calculations.