I am a Chartered Accountant. I qualified in 2009. And since then I am teaching to CMA, ACCA and CA students. My area of expertise are Accounting, Reporting, Management Accounting and Financial Management. In ACCA I have been teaching FR (F-7), FM (F-9). PM (F-5), and SBR (P-2).
(Your suggested rate 20 NZD is very low, this needs to negotiated)