[cheekopekman]

selling kway teow soup fish ball noodles @$3.50 laksa  @$4.00

buy a bklet of 10pcs  coupons @$35/**  this bklet comes with a coupon of foc fish ball noddles or soup

collect cash upfront n lock my customers to prevent them fr patronise my competitors

my cost of this free noodles/soup not >$2/**

so no problem giving a foc $2/** in exchange of all the above free cash flow. n guarantee business

If you are then say lah!