On an average day, DDL Enterprises writes checks totaling $1,500. These checks take an average of 5 days to clear. On an average day, DDL receives checks totaling $1,700 which take 4 days to clear. The cost of debt is 7.5 percent. What is the firm's disbursement float?

-$700 -$6,800 $700 $7,500 $6,800