Using an Activity$-$Based Costing SystemBriefly explain the process of assigning manufacturing overhead $($MOH$)$ costs to each unit of iPhone. In this discussion, let's delve into the world of activity$-$based costing $($ABC $)$ and its application in the context of iPhone manufacturingSpecifically we'll explore $1.$ Activity Cost Pools : What are the key activities involved in producing iPhones? Identify these activity cost pools $2.$ Cost Drivers: Within each activity cost pool, what factors significantly influence MOH costs? Please pinpoint the relevant cost drivers $3.$ Assigning MOH Costs: How do we allocate MOH costs to each individual iPhone unit?