Data for Steel Shelf: Rent $3,000 per Month Utilities $1,100 per Month Insurance $400 per month Property Taxes $6,000 Annually Steel $9.00 per shelf Forming $0.25 per shelf Labor $0.75 per shelf Sales Price $20.00 per shelf What is the monthly fixed costs and contribution margin for Steel Shelf? $5,000: $10 $5,000 $20 $11.300: $10 $11.300$20 Data for Steel Shelf: $3,000 per Rent Month $1,100 per Utilities Month Insurance $400 per month Property Taxes $6,000 Annually Steel $9.00 per shelf Forming $0.25 per shelf Labor $0.75 per shelf Sales Price $20.00 per shelf To earn a profit of $3,000 per month, Steel Shelf Company will have to produce how many shelves? 500 800 1,000 1.500