Given that Miscellaneous Expenses are a type of expense that defines the non-major expenditures which cannot be categorized as any of the manufacturing, selling, and administrative costs.
And according to Internal Revenue Service, expenses that do not conform to one of their tax categories are considered Miscellaneous Expenses, for example, clothing, and rent payments are a form of Miscellaneous Expenses.
I think it is 15 hours If you wrote better I could've explained better but if that cost $5 per 5 Hour that means you spend $1 per 1 hour so if you spend $15 that mean you used bike for 15 hours