Logistics Solutions provides order fulfilment services for cot com merchants. The company maintains warehouses that stock items carried by its dot com clents. When a client recelves an order from a customer, the order is fonvarded 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, 140,000 items were shipped to customers using 5,300 direct labor-hours. The company incurred a total of $15,900 in variable overhead costs. According to the company's standards, 0.03 direct tabo hours are required to fulfill an order for one item and the variable overhead rate is $3.05 per oirect labor-hour. Required: 1. What is the standard labor-hours allowed (SH) to ship 140,000 items to customers? 2 What is the standard variable overhead cost alowed (SH SR) to ship 140,000 items to customers? 3. What is the variable overhead spending variance? 4. What is the varlable overhead rate variance and the variable overhead efficiency variance? (For requirements 3 and 4 , indicate the effect of eoch veriance by selecting " F " for fovorable, " U " for unfovorable, ond "None" for no effect (i.e., zero variance). Input all emounts os positive values. Do not round intermediete calculations.)