Which of the following situations represent investment? Saving? Explain.a. Your family takes out a mortgage and buys a new house.It is an investment because it is a purchase of new capitalb. You use your $200 paycheck to buy stock in AT&T.It is a saving because the income $200 is not spent on consumption.c. Your roommate earns $100 and deposits it in her account at a bank.It is a saving because the $100 is not spent on consumption.d. You borrow $1,000 from a bank to buy a car to use in your pizza delivery business.It is an investment because a car is a capital good