Roberto works in a factory making electric cars

Roberto works in a factory making electric cars. Currently, his firm pays him $35 per hour and he works 35 hours per week. Each hour he works he experiences disutility of effort from working valued at $5 per hour. In addition, should Roberto lose his job the government will pay him an unemployment benefit of $15 per hour, for each hour he would otherwise work each week, for a maximum of 20 weeks. Prior to the coronavirus pandemic if Roberto lost his job the expected duration of unemployment before he would find another job is 10 weeks.
(a) (4 marks) Calculate Roberto’s (i) employment rent per hour and his (ii) total employment rent.