Me: Got Nikon 50/1.8 lens?
Me: How much?
Salesperson: Er .. $150
Me: include GST?
Me: ok. can I have one?
Salesperson: (take out one box)
Me: errm ... this one canon lah ... I want nikon
Salesperson: O, nikon one more expensive ... let's see ... no stock leh ...
Me: aiyoh ....
Salesperson: got 50/1.4, want or not?
Me: ermmm, not really, ... but how much is it?
Me: hmmm ... how much you usually sell the 50/1.8?
Salesperson: nikon 1.8 one slightly cheaper, abt $4yy ...
Salesperson: yah, more worth it to get 1.4 lah ...
Me: Thank you very much ... (walk out immediately)
draw your own conclusion...