31. you are analyzing an investment property. you have calculated the net operating income to be $9,250.00. after furthering investigation you find the owner replaced the roof at a cost of $1,800.00. you also notice his debt service on the loan was $5,000. what was the cash flow?

a. $7,450.00

b. $2,450.00

c. $4,250.00

d. none of the above