Azuki Corporation operates in two sales territories, Urban and Rural. Data concerning last 2: year's operations appear below: Urban S 320,000 208,000 112,000 Rural $ 80,000 56,000 24,000 30,000 Sales Variable expenses Contribution margin Traceable fixed expenses Segment margin 48,000 S 64,000 S (6,000 Azuki's common fixed expenses were $25,000 last year If Urban sales were 10% higher last year, by approximately how much would Azuki's net operating income have increased? (Assume no change in selling prices, unit variable expenses or total fixed expenses.) (Round your intermediate calculations to 2 decimal places.) $32,000 $4,400 $6,400 $11,200