If Swifty Ltd. has a margin of safety of $105000, which of the following statements is correct? Sales can increase by $105000 before Swifty has an operating loss. Fixed costs can increase by $105000 before Swifty has an operating loss. Sales can increase by $52500, and fixed costs can decrease by $52500 before Swifty has an operating loss. Sales can decrease by $52500 and fixed costs can increase by $42000 before Swifty has an operating loss