$2.$ Consider a stop loss cover that is issued to a cedant by a reinsurer with the following features. Priority limit is $80\%$ of the Premiums $($net of taxes$).$ The reinsurance capacity is $20\%$ of Premiums $($net of taxes$),$ with a copay by the cedant of $25\%$ above the priority. What is the payout by the cedant and the reinsurer in the following cases?

a$.$ If the loss is $70\%$ of the premiums, how much will the cedant and reinsurer pay?

b$.$ If the loss is $100\%$ of the premiums, how much will the cedant and reinsurer pay?

c$.$ If the loss is $115\%$ of the premiums, how much will the cedant and reinsurer pay?