Involves one or more dominant firms establishing the pricing practices that all
a competition-based pricing strategy called
competitors in an industry follow.
excel would be a good type of application to create, analyze and forecast budgets. in excel, you are able to make a spreadsheet with all of the categories that your money goes such as house payment, car payment, groceries, water, etc.. then you can analyze them and see where you can make changes to your budge. next you can see how your current months bills are and forecast them to compare them with your next few months.
if you edit the question i could answer it.