# Fight Finance

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A furniture distributor offers credit to its customers. Customers are given 25 days to pay for their goods, but if they pay immediately they will get a 1% discount.

What is the effective interest rate implicit in the discount being offered? Assume 365 days in a year and that all customers pay either immediately or on the 25th day. All rates given below are effective annual rates.

An 'interest only' loan can also be called a:

The security market line (SML) shows the relationship between beta and expected return.

Investment projects that plot on the SML would have:

The 'option strike price' in an option contract, also known as the exercise price, is paid at the start when the option contract is agreed to. or ?

You just bought a residential apartment as an investment property for $500,000. You intend to rent it out to tenants. They are ready to move in, they would just like to know how much the monthly rental payments will be, then they will sign a twelve-month lease. You require a total return of 8% pa and a rental yield of 5% pa. What would the monthly paid-in-advance rental payments have to be this year to receive that 5% annual rental yield? Also, if monthly rental payments can be increased each year when a new lease agreement is signed, by how much must you increase rents per year to realise the 8% pa total return on the property? Ignore all taxes and the costs of renting such as maintenance costs, real estate agent fees, utilities and so on. Assume that there will be no periods of vacancy and that tenants will promptly pay the rental prices you charge. Note that the first rental payment will be received at t=0. The first lease agreement specifies the first 12 equal payments from t=0 to 11. The next lease agreement can have a rental increase, so the next twelve equal payments from t=12 to 23 can be higher than previously, and so on forever. The boss of WorkingForTheManCorp has a wicked (and unethical) idea. He plans to pay his poor workers one week late so that he can get more interest on his cash in the bank. Every week he is supposed to pay his 1,000 employees$1,000 each. So $1 million is paid to employees every week. The boss was just about to pay his employees today, until he thought of this idea so he will actually pay them one week (7 days) later for the work they did last week and every week in the future, forever. Bank interest rates are 10% pa, given as a real effective annual rate. So $r_\text{eff annual, real} = 0.1$ and the real effective weekly rate is therefore $r_\text{eff weekly, real} = (1+0.1)^{1/52}-1 = 0.001834569$ All rates and cash flows are real, the inflation rate is 3% pa and there are 52 weeks per year. The boss will always pay wages one week late. The business will operate forever with constant real wages and the same number of employees. What is the net present value (NPV) of the boss's decision to pay later? Some countries' interest rates are so low that they're zero. If interest rates are 0% pa and are expected to stay at that level for the foreseeable future, what is the most that you would be prepared to pay a bank now if it offered to pay you$10 at the end of every year for the next 5 years?

In other words, what is the present value of five $10 payments at time 1, 2, 3, 4 and 5 if interest rates are 0% pa? What is the present value of a real payment of$500 in 2 years? The nominal discount rate is 7% pa and the inflation rate is 4% pa.

In the ‘Nixon Shock’ on August 15, 1971, the United States government:

 Price Data Time Series Sourced from Yahoo Finance Historical Price Data Date S&P500 Index (^GSPC) Apple (AAPL) Open High Low Close Adj close Open High Low Close Adj close 2007, Wed 3 Jan 1418 1429 1408 1417 1417 12.33 12.37 11.7 11.97 10.42 2008, Wed 2 Jan 1468 1472 1442 1447 1447 28.47 28.61 27.51 27.83 24.22 2009, Fri 2 Jan 903 935 899 932 932 12.27 13.01 12.17 12.96 11.28 2010, Mon 4 Jan 1117 1134 1117 1133 1133 30.49 30.64 30.34 30.57 26.6 Source: Yahoo Finance.

Which of the following statements about the above table which is used to calculate Apple's equity beta is NOT correct?