Proactive and Reactive aggregate planning strategies are best associated with:

a$.$ Make and Buy

b$.$ Quantitative and Qualitative

c$.$ Demand and Capacity options

d$.$ Exact and Approximate

e$.$ Input and OutputOrganizations that decided to produce a good or service itself $($in source$).$ has the following advantage: a$.$ Ability to oversee the entire process b$.$ Access to state of the art products$/$services c$.$ Low investment risk d$.$ High strategic flexibility and improved cash flow