Indicate which type of analytics $($descriptive$,$ predictive, or prescriptive analytics$)$ each of the following represents.

$($a$)$ a data dashboard

$($b$)$ a model that finds the production schedule that minimizes overtime

$($c$)$ a model that forecasts sales for the next quarter

$($d$)$ a bar chart

$($e$)$ a model that allocates your financial investments to achieve your financial goal