During the last year, Galaxy Sun Corp. generated $$936\mathrm{.}00$ million in cash flow from operating activities and had negative cash flow generated from investing activities $(-512\mathrm{.}00$ million$).$ At the end of the first year, Galaxy Sun Corp. had $$160$ million in cash on its balance sheet, and the firm had $$305$ million in cash at the end of the second year. What was the firm's cash flow $($CF$)$ due to financing activities in the second year?