For a given course description given below provide it's difficulty level. 
    Difficulty levels:
    beginner
    intermediate
    advanced

    Level name should be returned in lower case, exactly as presented in the list
    Course description: """
    Corporate Finance - Measuring Business Performance.
    Objectives  On completion of this tutorial, you will be able to:  Identify the accounting metrics that companies use to measure financial performance   Recall the measures used to determine how well a company has managed its assets to generate profits   Recognize alternative approaches to evaluate business performance, such as free cash to the firm, free cash flow to equity, enterprise value, and economic profit  Tutorial Overview  This tutorial looks at the key accounting metrics use to measure company business performance, such as return on equity, free cash flow to the firm, free cash flow to equity, enterprise value, and economic profit.  Prerequisite Knowledge Corporate Finance - An introduction Tutorial Duration: 60 minutes"

    Your questions, answered. For any queries with the courses, please visit the connect page Using Workday Learning for the self-help troubleshooting guide. If you need further support with courses please raise these via‚ÄØServiceNow HR
    """
    Answer: 
    <> Please use JSON format in your answer.
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