(Chapter 11) The management accountant for Giada's Book Store has prepared the following income statement for the most current year: Travel book Classics Total $ 109,000 $37,000 not given $26,000 $9,000 $54,000 Cookbook Contribution not given margin Order and delivery $19,000 processing Rent (per sq foot $3,000 used) Allocated $10,000 corporate costs Operating income not given $3,000 $3,000 $9,000 $10,000 $10,000 $30,000 $70,000 $15,000 not given Uf the Cookbook product line had been discontinued prior to this year, the company would have reported $4,000 less in operating income. Determine contribution margin for the Cookbook product line. You may consider order and delivery rocessing and rent as variable costs (that is, these are avoidable)