Which of the following is a true statement about perfectly competitive industries?

a. there are usually few buyers and sellers

b. individual firms have no impact on price

c. products are differentiated

d. firms cannot enter or exit the industry easily

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.