Best Bicycles manufactures three different types of bikes: the Tiny Tike, the Adult Aero, and the Mountain Monger. Assume that Best Bicycles operates two shifts, each with $1,800$ hours per year. D$.$pictureClick here for the Excel Data File Calculate the required capacity for this year's production. Note that the times are given for assembly lines, so capacity calculations should be in terms of the number of lines necessary. $($Round up your answer to the next whole number.$)$