Helpful Hardware sells windows $(80\%$ of sales$)$ and doors $(20\%$ of sales$).$ The

selling price of each window is $$460$ and of each door is $$1,060.$ The variable

cost of each window is $$295$ and of each door is $$760.$ Fixed costs are

$$1,538,880.$ The weighted$-$average contribution margin is:

Multiple Choice

$$465.$

$$192.$

$$138.$

$$297.$

$$228$