Question 6 (2 points) Alice is planning to open up a sandwich shop. An estimate of her costs/revenues are as follows: average sales price per sandwich: $12.75; yearly rent: $12,000; monthly fixed utility bill: $800; average cost of ingredients per sandwich: $3.55; monthly labour bill (fixed): $10,500; miscellaneous fixed supplies/month: $1,000; misc. variable supplies: $0.80 per sandwich. Her contribution margin per sandwich is $8.83 $8.40 $8.60 $8.50