During the current year, Mute Corporation expected to sell 22,500 telephone switches. Fixed costs for the year were expected to be $12,142,500, the unit sales price was budgeted at $3,250, and unit varlable costs were budgeted at $1,400. Mute's margin of safety ratio (MOS \%) is: (Do not round Intermedlate calculations.) Multiple Choice 9208% 75.73% 69.83% 86.58% 70.83%