please explain to me

[There are 8 things to answer below, but this question will be worth 5 marks in total] A trader establishes an option-trading strategy as follows: - one long put option with a strike price of $80, which has a premium of $12.50, and - one short put option with a strike price of $60, which has a premium of $3.80. The upfront cost to establish this strategy is Do not enter a +ve or -ve sign for this answer. Just enter the dollar amount to 2 decimal places. Do not enter the dollar sign (S). In the following questions, enter all answers to 2 decimal places. If the payoff is negative, be sure to enter the negative sign. Be careful to differentiate betweem gross payoff and net payoffs. Do not enter the dollar sign ( $ ). if the underlying share price at expiry is $72 : The gross payoff on the long put is The gross payoff to the option-trading strategy is If the underlying share price at expiry is $49 : The gross payoff to the long put is The gross payoff to the short put is The gross payoff to the option-trading strategy is The gross payoff to the option-trading strategy is If the underlying share price at expiry is $49: The gross payoff to the long put is The gross payoff to the short put is The gross payoff to the option-trading strategy is Taking the upfront establishment cost into account, the breakeven point for this option-trading strategy is Do not enter the dollar sign (S) anwyhere in this question. Enter answers to 2 decimal places. Report question issue $ Notes