Elona bought the Pretty Face Boutique for R120 000. Her estimated cash inflows for the next five years are R15 000, R28 000, R42 000, R35 000 and R40 000, respectively.

Calculate the IRR (to two decimal places) for Elona's boutique.

[Answer format: d,dd% (d: digit)]

[Example of an answer in the correct format: 1,23%]

Ensure that your answer is typed in the correct format otherwise you will forfeit the mark!