The following data are available for Benchmark Production Company for the month of December:

Percentage Units Complete Costs Beginning WIP inventory, December..........0.c005 20,000 DINeCiIMateyial Saree AA wes cwkereooreaen. 80% $20,000 GONVENSIOMOOSTS Ae mic cst eos teas Concer REE, 90 45,000 Units started in December oo... cccceescseeeeees 50,000 Costs incurred in December:

WireoumMatenialS ewes cates Re Bir: 27,000 GOMVENSIOMCOSIS te amteeecseiaecteeekeeneenee r 36,000 EAC HAO) WANINE? MANELAMOL Waa scenaa nenceeacaasansetnacteencssnanate 25,000 Direchinatenitals...\. cx. RECORDAE Res : 30 Conversiomeosisny. onieis (iver... weiss 40 Required Use weighted-average process costing to

a. Prepare a production cost report.

b. Show the flow of costs through the WIP Inventory T-account