Regarding the size of a company's cash balance and the opportunity costs of holding cash, which of the following is true? Multiple Choice If a firm can reduce its collection float, opportunity costs will rise and the optimal cash balance for the firm will be decreased. If a firm can reduce its collection float, opportunity costs will fall and the optimal cash balance for the firm will be increased. The higher the cash balance, the higher the opportunity cost. Opportunity costs are minimized at the optimal cash balance. There is no relationship between cash balances and opportunity costs