Plot business plan transactions
barplot(height, ...)# S4 method for revenue
barplot(height, resolution = "month", types = "default", ...)
# S4 method for expense
barplot(height, resolution = "month", types = "default", ...)
# S4 method for operations
barplot(height, resolution = "month", scope = "profit",
      types = "default", ...)
See barplot.
An object of class operations,
      revenue or expense.
Any other argument suitable for barplot().
One of "month", "quarter", or "year".
Character string naming the model types defined by
set_types to be used.
One of "revenue", "expense", "rev_exp",
      "profit".