2. Bull Spread Using Puts

There are two put options with different strike prices, 1(1=10,=1)=2 and 2(2=15,=1)=5. You can construct a BullSpread Strategybylonging1and shorting2. Please plot the payoff of this BullSpread Strategy between the underlying price from 5 to 25 (Including two payoff lines for puts, and one payoff line for their combinations. Please point out the breakeven point.)