I like the concept of deducting some of my time for open source contributions but every solution I've seen is a boondoggle waiting to happen.. * Deduct based o

I like the concept of deducting some of my time for open source contributions but every solution I've seen is a boondoggle waiting to happen.. * Deduct based on (hours spent * prevailing wage) -> Which prevailing wage? Personally, I'd love to use the hourly rate of Google employees in my deductions. ;) * Deduct based on (hours spent * current rate) -> Who said I would have been working those hours anyway? * Deduct based on hours spent * (any number)? That means I need detailed accounting that can stand up to an audit. * Deduct based on LOC? Woohoo! Time for bloated code! * Deduct based on time/money saved by companies? Time to call in favors! * Deduct based on the value of what I learned as an educational credit? I like this one the most but we don't always know what will be valuable at the time. As much as I want this to work, I don't see a structure that won't result in abuse and shenannigans on day one.