There are two call options for the same underlying asset and same maturity. One call option C1 has exercise price of $120 and the other call option C2 has exercise price of $150. Also, one call sells for $8 and the other sells for $10. Select the prices of C1 and C2 from the given two values. Explain the reason/s for your price selection reflecting on the payoff and profit diagrams of the call options.