$2. 1600 points for $20, makes it $10 for 800. 160 goes into 800 5 times, $10 divided by 5 would make it $2.
about 10 US dollars.
$30 us / ~£18.60 UK/ €30 eu
To get 300 Microsoft points we should pay lesser than 21.218 dollars (USA) and in India we have to pay lesser than 1000 rupees
it should cost 1200 points as all map packs on cod do