Exporting membership type and contribution total amount
I just tried this (at Stoob's request) on one report &amp; it seemed to only require a couple of lines -

https://github.com/eileenmcnaughton/nz.co.fuzion.extendedreport/commit/fb5ba0d47b1c4fea651fcec5760497bf204c5b56

Note that there are several price set reports &amp; this might not be the one you were focussed on but the principle should be the same