Can someone help me on question 3?

F2-Job Order Cost System A_3-Applied 0/H 124-Indirect labor C_5-Factory 0/H actual E6 Job Order Production A- ESumated U/H charged to jobs B-A type of labor in factory O/H actual cos C-0/H costs debited to the Factory O/Ha D-A request for issuance of materials E-Accounts for the production of custom m products F-involves low production volume 2) These Job Orders incurred the following costs: A-20 A-30 Direct Materials 100 Direct Labor ?apo Applied O/H 300 450 Total 600 400 A-40 600 200 1) Fill in the blanks (?) 2) What is the O/H rate? 3) Mid South had the following activity in March 2019 Beginning WIP 2/28 -(Job A10 ) $4000 Direct Materials Issued $3000 A-11 & $6000 A-12 Direct Labor $3000 A-11 & $2000 A-12 OH applied is based on 50% of Direct labor A-10 was completed and moved to Finished Goods inventory and then delivered 1 Apply O/H to A-11 and A-12 2 Calculate ending WIP 3 prepare JVs to reflect A-10 & A-11 activity