Question: Create a truth table and then use a Karnaugh map to produce the MSOP equations for a BCD - to - Excess - 4 Code

Create a truth table and then use a Karnaugh map to produce the MSOP equations for a BCD-to-Excess-4 Code Converter. The converter should take a 4-bit BCD number ABCD and convert it to its Excess-4 equivalent, WXYZ. For this problem, only find the equation for the output Y.
To create an "Excess-4" binary code value, you simply add four to the binary number.
e.g.0010-->0110
(Use "don't cares" where possible.)

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