If a company can implement cash management systems and save 3 days by reducing remittance time and 1 day by increasing disbursement time based on $2,000,000 in average daily remittances and $2,500,000 in average daily disbursements and their return on freed up funds is 10%, what is the max they should spend on the system? A. $2,000,000 B. $650,000 C. $850,000 D. $1,000,000