Hi please help me with this!

Sylvan White Sunglasses sell for about $135 per pair. Suppose the company incurs the following average costs per pair: (Click the icon to view the cost information.) Sylvan White has enough idle capacity to accept a one-time-only special order from Colorado Glasses for 18,000 pairs of sunglasses at $72 per pair. Sylvan White will not incur any variable marketing expenses for the order. Read the requirements. Total Order Incremental Analysis of Special Sales Order Decision Per Unit (18,000 units) Revenue from special order Less variable expense associated with the order: Variable manufacturing costs Contribution margin Less: Additional fixed expenses associated with the order Increase (decrease) in operating income from the special order Enter any number in the edit fields and then click Check Answer. Data Table Direct materials $ 42 Direct labor 13 Variable manufacturing overhead 9 Variable marketing expenses 3 20* Fixed manufacturing overhead $ 87 Total cost * $2,100,000 total fixed manufacturing overhead - 105,000 pairs of sunglasses Print Done -