[abbasjlmpk]

I saw your post…….
basically what the examiner is saying that. when you purchase specific no of units you will will be charge for example $4 p.u. and specific no of units are 100. and if you buy more than 100 units you will charged low cost what it is….. the point is that he is saying when achieve that 100 units if you buy more you will be charged low cost on all units, the units you bought before and the units you will buy further. I have an image about this i draw to tell i am attaching…..

[abbasjlmpk]

first Tell me how attach an image then i will show you how it is happened ….

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