Northern Financial Co$.$ has a BVPS of S$5.$ The company has announced a $S15$ million share buyback. The share price is $560$ and the company has $40$ million shares outstanding. After the share repurchase, the company's BVPS will be closest to:

A$.$ $$4,65.$

B$.$ $$4\mathrm{.}90.$

C$.$ $$5\mathrm{.}03$