If an event has fixed costs of $$30,000$ in total, and the price of an admission ticket is $$75,$with variable costs per attendee adding up to $$45,$ how many people must attend, inorder for the event to break even?b$.$ If the organization wants to do better than breakeven, and in fact wants, BEFORE$-$TAXprofits of $$5,000$ from the event, how many people must attend?$13$c$.$ How will your answer to part b change if the organization wants AFTER$-$TAX profits of$$5,000,$ and the tax rate is $20\%?$d$.$ Redo part a$,$ assuming that revenue per ticket, variable costs per attendee and fixedcosts all will increase byi. $8\%$ for each component next year,ii$.15\%$ for each component next year.e$.$ What would be the margin of safety $($in terms of attendees$)$ achieved by theorganization if the changes in part b were to occur?