please help!!!

Logistics Solutions provides order fulfiliment services for dot.com merchants. The company maintains warehouses that stock items carried by its dotcom clients. When a client recelves an order from a customer, the order is forwarded to Logistics Solutions, which puls 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, 135,000 items were shipped to customers using 5,000 direct labor-hours. The company incurred a total of $14.750 in variable overhead costs. According to the compary's standards, 0.04 direct labor-hours are required to fulfill an order for one item and the variable overhead rate is $3.00 per direct labor-hour, Required: 1. What is the standard labor-hours aliowed (SH) to ship 135,000 items to customers? 2. Whot is the standard variable overhead cost allowed (SH SR) to ship 135,000 items to customers? 3. What is the variable overhead spending variance? 4. What is the varlable overhead rate varlance and the variable overisead efficiency variance? (For requirements 3 and 4 , 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 no round intermediate calculations.)