CFA Institute CFA-Level-III Exam - Topic 3 Question 6 Discussion

Actual exam question for CFA Institute's CFA-Level-III exam

Question #: 6
Topic #: 3

HAS THREE PARTS Wyatt Washington is the portfolio manager for Mark Beitia, a recent retiree. He is currently exploring a change in Beitia's strategic asset allocation. He gathers data on the expected returns, standard deviations, and correlations for five assets. Using these market expectations, he derives an efficient frontier. Washington uses the following information in his construction of the asset allocation:

* Beitia's asset base = $5,000,000.

* Annual after-tax spending amount = $150,000.

* Estimate of future inflation = 3.5%.

* Beitia will donate $750,000 to his alma mater in one year in one lump sum.

* Risk-free rate = 4.0%.

* Beitia's income tax rate = 25%.

Washington forms four corner portfolios from his efficient frontier and calculates the following expected returns and standard deviations:

BAssuming that Washington combines two corner portfolios to meet Beitia's desired return
(calculated in Part A), calculate the weights of the appropriate corner portfolios that will be used (assume no borrowing or short-selling) and the resulting portfolio standard deviation.

ACalculate the required before-tax return for Beitia's portfolio and Beitia's expected utility from holding each of the corner portfolios.

CAssuming that Washington combines a corner portfolio with the risk-free asset to meet Beitia's desired return (calculated in Part A), calculate the weights of the appropriate corner portfolio and the risk-free asset that will be used (assume no borrowing) and the resulting portfolio standard deviation.

Show Suggested Answer

Suggested Answer: B

by Alica at Jan 22, 2026, 04:44 PM

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Brittni

13 days ago

This question seems similar to the one we did on portfolio construction with specific cash flow needs. I think we need to adjust the asset allocation based on Beitia's spending and donation.

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Vallie

18 days ago

I remember we practiced calculating the efficient frontier, but I'm not sure how to factor in the donation and spending needs in this scenario.

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Kaycee

24 days ago

Hmm, this is a tricky one. Lots of moving parts to keep track of. I'm going to need to take it step-by-step - first the efficient frontier, then factor in Beitia's constraints and goals. Might be helpful to sketch things out visually too. Gotta make sure I don't miss any key details.

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Wilda

29 days ago

I feel pretty confident about this one. Constructing the efficient frontier is straightforward, and with all the details on Beitia's situation, it should be pretty straightforward to determine the optimal portfolio. As long as I stay organized and double-check my work, I think I can nail this.

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Noemi

1 month ago

Whoa, this is a lot to keep track of. Asset allocation, efficient frontier, taxes, inflation, a big donation - my head is spinning just looking at this. I better make sure I have a clear plan of attack before I dive in, or I'm going to get lost.

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Cora

1 month ago

Okay, I think I've got a handle on the main components here. Wyatt needs to construct an efficient frontier based on the expected returns, standard deviations, and correlations of the five assets. Then he has to factor in Beitia's financial situation and goals to determine the optimal asset allocation. Shouldn't be too bad as long as I remember all the inputs.

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Annalee

1 month ago

This looks like a pretty complex problem with a lot of moving parts. I'll need to carefully read through all the details and make sure I understand the key information before I start trying to solve it.

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