1) Which statement is correct regarding the delta of a put option?

a)Delta is higher in absolute value when the put option is out-of-the-money (stock is high)

b)Delta is positive

c)Delta doesn't change with the underlying stock price

d)In absolute value, delta

2) We have acquired new furniture for the office. The invoice for $6,000 offers two ways to pay: we can pay the entire amount by September 1, or we can pay $3,060 by September 1 and $3,000 by January 1. How does our decision depend on the interest rate at which we can invest our funds?

I've come up with the following two methods, one an Excel formula and the other a simple interest formula but they give two answer. Which one is actually correct?

Excel: =RATE(3000/12,0,2940,-3000) = 6.25%

Simple Interest Calculator: (1/(4/12)) * ((3000/2940)-1) * 12 = 6.12%

3) How does finance works in USA between major countries? chronicles

the spread of good — and bad — financial practices across the globe, the meteoric rise of the American real estate market, and the consequences of the subprime mortgage fiasco. Use your knowledge to analyze the following video.
4) List at least four (4) of the financial regulatory requirements

including the relevant legislation that businesses must comply with.
I'm studying in Australia and I got this question, I don't really know what the answer would be

5) How is the depreciation calculated on the Jaguar ,plc 1984 case for the excel spreadsheet?

6) A bond has a duration 6 years 7% Fedincrease24 basis points  aformulausing duration  ba percentagechange

 ofand interest rates are currently . The is expected to  interest rates by , use duration to determine the change in the bond price.

a) Write the  for the change in the bond price . 

b) Use the formula in ) to determine the  in the bond price due to the interest rate increase.