A company produces components for washing machines. Each component has a raw material input of $$20$ and labour input that costs $$10.$ The company must also pay the rent of the factory totaling $$20,000$ per year, production supervisor's salary of $$25,000$ per year and the managing director's salary of $$35,000$ per year. The budgeted output is $10,000$ units per year.What is the fixed production cost?a$.$$$45,000$b$.$$$80,000$c$.$$$115,000$d$.$$$75,000$