Answer:
$13
Explanation:
total consumer surplus = ($10 - $6) + ($7 - $6) = $4 + $1 = $5
total supplier surplus = ($6 - $2) x 2 units = $4 x 2 = $8
total surplus in the market = consumer surplus + supplier surplus = $5 + $8 = $13
Since the price is higher than Chuck's willingness to pay, no transaction will occur resulting in 0 surplus.