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 $1,300$ 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,$$2,900$