Required information [The following information applies to the questions displayed below.] Snake 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 $500,000 and results in 80,000 units of MSB and 110,000 units of CBL. Each MSB sells for $6, and each unit of CBL sells for $14. 4. If Snake River Sawmill chose not to process the mine support braces beyond the split-off point, the contribution from the joint milling process would increase or decrease by what amount? The contribution of MSB would