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Product Development Assets | 12 Months Ended
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Apr. 30, 2021
Product Development Assets [Abstract] |
Product Development Assets | Note 9 – Product Development Assets Product development assets, net consisted of the following at April 30:
|  | 2021 |  |  | 2020 |
Book composition costs |  | $ | 20,474 |  |  | $ | 18,744 |
Software costs |  |  | 23,262 |  |  |  | 28,995 |
Content development costs |  |  | 5,781 |  |  |  | 5,904 |
Product development assets, net |  | $ | 49,517 |  |  | $ | 53,643 |
Product development assets include $6.3 million and $4.9 million of work-in-process as of April 30, 2021 and 2020, respectively. As of April 30, 2021 this is primarily for book composition costs and, to a lesser extent, software costs. As of April 30, 2020, this is primarily for book composition costs. Product development assets are net of accumulated amortization of $269.0 million and $244.1 million as of April 30, 2021 and 2020, respectively.

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