If beginning cash equaled $$10,000$ and ending cash equals $$19,000,$ which is true?

Question $20$Select one:

a$.$

Operating cash flow $2,000$; Investing cash flow $(13,000)$; Financing cash flow $2,000$

b$.$

Operating cash flow $4,500$; Investing cash flow $9,000$; Financing cash flow $(4,500)$

c$.$

None of the above

d$.$

Operating cash flow $9,000$; Investing cash flow $(3,500)$; Financing cash flow $(2,500)$