A Company produces Digital Memory hand bands. Their sales for the month of June: 4,000

Variable manufacturing cost per unit: $9.75, sales price per unit: $42.50

Fixed manufacturing over head cost per month: $80,000. Variable selling and administrative expenses per unit: $3.00

Fixed selling and administrative expenses per month:$12,556

(1) Determine the contribution margin ratio

(2) The Degree of operating leverage

(3) The break even point in dollars

(4) The margin of safety ratio