Mississauga Mining Co$.$ made a net income of $$25$ million in $2007,$ after the deduction of amortization expense of $$8$ million, interest of $$5$ million and taxes of $$10$ million. During $2007,$ it sold mining equipment for $$2$ million and bought a new computer system for $$3$ million. During $2007,$ it issued new shares for $$15$ million and used the proceeds to repay loans of $$10$ million; the remainder went into the bank's current account. The change in cash was $($$ million$).$

A$)$ $$21($increase$)$

B$)$ $$25($increase$)$

C$)$ $$5($decrease$)$

D$)$ $$37($increase$)$

E$)$ none of the above