You instruct your fund company (by phone or online) which shares to sell, as you would with an individual stock. (Again, make sure you get and save that confirmation.) Using thismethodrequires you to track your cost for each block of shares, including those purchased with reinvested distributions.
Overcoming this obstacle requires a different method, a method build on the premise that high performance, from the front line to the C-suite, doesn't arrive from the outside in but emerges from the inside out.
This strategy requires very visible signage, some nifty software that distinguishes the method of payment, and ultra-clear communication with customers about the reason for the difference so they don't feel they're being whacked unfairly.