A special revenue fund for flood control has these transactions: Payroll, $1,400,000; equipment purchases, $2,800,000; maintenance costs, $4,200,000; payments to the general fund, $700,000. On the special revenue fund operating statement, what are total expenditures? Select one: a. $8,400,000 b. $9,100,000 c. $6,300,000 d. $5,600,000