This is a very easy one to answer. Here at CryptalDash Exchange, We would by the whole 200 BTC, instantly and without hesitation!

Let's break down the numbers as of the time of posting.
1 BTC = $7,051.63
200 BTC = $1,410,326.00

If acquiring at a 50% discount the cost for 200BTC is ($1,410,326.00/2) = $705,163.00

When selling at market price we would see a markup of $705,163.00.

Thats a nice deal!

Now where can we buy 200 BTC at a 50% discount? haha