Answer
a) Consumer surplus is \$20 larger than producer surplus
Work Step by Step
Value of time as per Jen = \$60 per hour
Value of massage as per Colleen = \$300 per hour
Negotiated price per massage of 2 hours = \$200
Consumer surplus = \$300 - \$200 = \$100
Producer surplus = \$200 - 2*\$60 = \$200 - \$120 = \$80