In October, a firm had an ending cash balance of E35,000. In November, the firm had a net cash flow of E40,000. The minimum cash balance required by the firm is (25,000. At the end of November, the firm had Select one: O a. an excess cash balance of E50,000. O b. an excess cash balance of E75,000. O c. required total financing of E5,000. O d. required total financing of E15,000. Clear my choice