In the REA model for the Production (Conversion) cycle (Figure 6), the max cardinalities between the Job Operations Event and the Job Operations List entity of intellectual property, as well as between the Machine Operations Event and the Machine Operations List entity of intellectual property, are the same. Explain why they are what they are.

In the REA model for the Production (Conversion) cycle (Figure 6), the max cardinalities between RM & BOM and between FG & BOM are the same. Explain why they are what they are.
 

FIGURE 6 Bill of Materials Raw Partial REA Diagram for Production Cycle Materials Employee (Inventory + Control) Issue Raw Materials Employee (Factory) Finished Goods Inventory Perform Work Job %3 in Operations Process Employee (Supervisor) Employee Time Job Operations (Production Tasks) List Perform Machine O Operations Machine Equipment + Operations List