The Night & Day Guitar company is a manufacturer of custom guitars. The selling price for one of their guitars is $1042 with direct materials and direct labor costing $203 and $420 per guitar respectively. The fixed manufacturing costs for the Night & Day Guitar company are $9264 and the variable overhead is $31 per unit. The fixed and variable selling expenses are $1678 and $98 per guitar respectively. The variable shipping costs per guitar are $142. Remaining fixed period costs are $1277. During the period, Night and Day sold 110 guitars. What is the contribution margin ratio for the Night and Day Company? Your answer should be entered as a whole number to two decimal places, ie. 22.55% would be entered as 22.55