Required information Problem 17-30 Joint Costs (LO 17-4, 17-5) [The following information applies to the questions displayed below) Allegheny River Sawmill manufactures two lumber products from a joint milling process. The two products developed are mine support braces (MSB) and unseasoned commercial building lumber (CBL). A standard production run incurs joint costs of $780,000 and results in 63,000 units of MSB and 93.000 units of CBL. Each MSB sells for $8, and each unit of CBL sells for $13. Problem 17-30 Part 2 2. Calculate the amount of joint cost allocated to the mine support braces (MSB) on a relative-sales value basis. (Round the calculation of relative proportions to two decimal places of percentage.) Joint cost allocated to MSB