The board of a Timeshare Condominium Association is preparing the report to be filed with the Division of Florida Land Sales, Condominiums and Mobile Homes. This Timeshare condominium sells $50$ weeks per year of each unit. What is the annual fee that must be paid by the association?

a$.$ $$4\mathrm{.}00$ per owner

b$.$ $$4\mathrm{.}00$ per Timeshare unit

c$.$ $$4\mathrm{.}00$ for each Timeshare sold

d$.$ $$2\mathrm{.}00$ for each seven days of annual use availability in each timeshare unit