David Brown pays John Stone $$50\mathrm{.}000$ in a non$-$competition contract not to open a pizza restaurant in the same whurb as Davd's restarant. He also pays John $$5,000$ to advertise his $($David$\text{'}$s$)$ restaurant on his $($John$\text{'}$s$)$ car How much income accordine to ordinary eoncepts $($ondinary income$)$ is derived by lohn?

$15000$

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