Taking into account of the prescribed costings and demand information above, determine the optimum order quantity under EOQ model.

$($b$)$ In light of the scenario described under inventory management perspectives, discuss what factors should be considered when deciding whether to deploy a EOQ model above instead of a fixed$-$time period model for BrewMasters$$ business nature in the year of $2024.$

$($c$)$ In light of the scenario described under demand forecasting perspectives, discuss what factors should be considered when deciding whether to deploy a quantitative forecasting model instead of a qualitative forecasting model for BrewMasters$$ business nature in the year of $2024.$

$(10$ marks$)$

$(20$marks$)$

$(20$marks$)$