bargaining power of Old Town Coffee's Supplier - Old town coffee's supplier (pembekal old town coffee)

Based on Porter Five Forces Analysis ( please focus on bargaining power of Supplier)

1. Number of supplier relative to buyer

2.Dependence of supplier's sales a particular buyer

3.Switching Cost - (of supplier)

4.Availability of supplier for immediate purchase

5. possibility of forward integration by supplier

Please give send me the relevant point and explanation with examples - old town coffee restaurants

please don't give a definition and general points, I can google it. I need point based on old town coffee.