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 $1,350$ hours per year.

Bike Demand Forecast $($units per year$)$ Processing Time $($minutes per unit$)$ Lot Size $($number of bikes$)$ Setup Time $($minutes per setup$)$

Tiny Tike $17,00031\mathrm{.}21023$

Adult Aero $71,28014\mathrm{.}84446$

Mountain Monger $18,00013\mathrm{.}81654$

pictureClick here for the Excel Data File

Calculate the number of assembly lines. Note that the times are given for assembly lines, so capacity calculations should be in terms of the number of lines necessary.