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Morning Dove Company manufactures one model of birdbath, which is very popular. Morning Dove sells all units it produces each month. The relevant range is $0$ to $1,600$ units, and monthly production costs for the production of $1,200$ units follow. Morning Dove's utilities and maintenance costs are mixed with the fixed components shown in parentheses.

$\backslash$table$[[$Production costs,Total Cost$],[$Direct materials,$$3,100$