Donors' contributions to a 501(c)(3) organization are tax-deductible only if the contribution is for the use of the 501(c)(3) organization, and that the 501(c)(3) organization is not merely serving as an agent or conduit of a foreign charitable organization.
Expect ~$1,000 USD per exam for the exam fees and the CFA Institute books. Most people will also use a third-party self-study packages, which include practice exams, condensed books (the CFA ones are 2x+ longer), study tips, online question banks, etc. Factor in an additional $500-1,000 USD per exam for these. Schweser is the most popular study package: http://www.schweser.com/cfa/. No matter how diligent you think you are, most people I know took an additional 5-10 days holiday in the run-up to the exam.
A Chartered Financial Analyst with less than one year of experience reported a median salary of $51,046. A CFA with 1-4 years of experience had a salary of $63,898. CFA with 5-9 years of experience reported a median salary of $93,452. More senior CFA with 10-19 years of experience had a median salary of $119,309. The most experienced CFA with 20 years or more of experience had a median salary of $147,260. Taking a look at the median salary by employer type allows a little more distinction.