In a previous post, I covered an internal rate of return sample exam question, and I covered the keystrokes used on one of the calculators that may be used on the CIPM exam, the Texas Instruments Business Analyst II Plus (TI-BA II Plus).

There is, of course, another financial calculator that CIPM candidates may use on the exams, and that is the Hewlett Packard 12C. In this post, I will cover the keystrokes to do the exercise on the HP 12C.

Recall the particulars of the exercise:

The Millers
deposited $50,000 into their account on 1 May 2005 and another $40,000
on 1 July 2005. The portfolio also received and reinvested dividends of
$30,000 on 1 July, plus another $30,000 on 31 December. The Miller's
investment adviser, Greenbush Investments, uses a daily pricing system
that shows account values (inclusive of dividends and contributions) of
$2,375,000 and $2,460,000 on 1 May and 1 July, respectively. The account
was valued at $2,225,000 on 1 January 2005 and at $2,445,000 on 31
December 2005.

I also remind candidates that I covered the steps to calculating internal rate of return in this previous blog post.

Next, we should identify the important information in this problem; i.e., the cash flows that must be entered into the calculator - and those that should be ignored. The important cash flows are:

- the initial market value of $2,225,000 on 1/1/2005
- the contribution of $50,000 on 5/1/2005
- the contribution of $40,000 on 7/1/2005
- the ending market value of $2,445,000 on 12/31/2005

You can also ignore the other valuations that are given. With internal rate of return calculations, only the initial value and the ending value are needed.

In order to enter this into your financial calculator, you will need to evenly space the cash flows (in time) and "zero fill" the empty periods. In this problem, you can assume monthly occurring cash flows if you treat the initial market value as being for 12/31/2004, and the contributions as occurring on 4/30/2005 and 6/30/2005 (rather than 5/1/2005 and 7/1/2005).

The "zero filled" cash flows will be on the following dates: 1/31, 2/28, 3/31, 7/31, 8/31, 9/30, 10/31 and 11/30.

Thus, the following keystrokes may be used on the HP 12C calculator:

[f] CLEAR [REG] (clears the registry)

2225000 [CHS] [g] [CF0] (enters -2,225,000 as CF0)

0
[g] [CFj] (enters 0 as CF1)

3 [g] [Nj] (indicates that CF1 occurs three times)

50000 [CHS] [g] [CFj] (enters -50,000 as CF2)

0 [g] [CFj] (enters 0 as CF3)

40000 [CHS] [g] [CFj] (enters -40,000 as CF4)

0 [g] [CFj] (enters 0 as CF5)

5 [g] [Nj] (indicates that CF5 occurs five times)

2445000 [g] [CFj] (enters 2,445,000 as CF6)

[f] [IRR] (computes the IRR)

- divide by 100 (converting the percentage to a decimal)
- add 1 (creating a wealth relative)
- raise the result of the last step to the 12th power
- subtract 1
- multiply by 100

Happy studying!

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