Exercise Five (4.5 points) Part A Glenwilliams Lumber Company manufactures 3 products: Poplar, Birch, and Pine from a joint process. Joint-process costs in 2015 were $3,000,000. Additional information regarding the three products is as follows Product. T- Board bri Value at arther 1 200.000 $40,000,000 10,000,000 24,000,000 $72 600 What are the joint costs allocated to poplar, birch, and pine assuming Glenwilliams uses the physical units method? is allocated to poplar is allocated to birch is allocated to pine rch