wah...today i had AFA lessons and the AFA teacher was nightmare teacher man...so scary lor...she asked me "what is cost of goods sold?". then i stoned for a while la...then i replied" cost of goods sold is...cost of goods lor" then she said again" yah...which is?" i stoned at her...dunno wat to say. then she gave the best answer i ever heard in my life..."cost of goods sold is the cost of the goods sold!" i dropped my pencil and gave her the 'diao' look...-___-"" wahlao...like that also can ah? she win liao lor...i hav nothing to say liao lor... she is really a nightmare teacher man...damn scary one lor...i think i gonna suffer for this sem liao lor....help me!!!! ah!!!