a) A person has the option of receiving $100 today, or $100 a year from now. Identify at five (5) reasons why he/she would choose to get the money now. b) You are planning to buy a house in 4 years time, but you will require to accumulate a down payment of $15,000. You can do that by putting a certain sum of money in a savings account on the first of every month for the next 48 months. The account credits interest every month at the annual rate of 6%. What is your required monthly deposit?