Bee Hoon (no extras like egg, luncheon meat, fish cake) -
$0.50
1 Loaf of no name bread - $1.00
200g of ham for bread - $2.00
1 bottle of tap water from home - free.
Total: $3.50 for lunch and dinner. 
Well for those rich people living in sentosa, the food is still
affordable....to them....