Vibrant Inc. manufactures two models of speakers, Rumble and Thunder. Based on the following production and sales data for June, prepare $($a$)$ a sales budget and $($b$)$ a production budget:

$\backslash$table$[[,$Rumble,Thunder$],[$Estimated inventory $($units$),$ June $1,292,82],[$Desired inventory $($units$),$ June $30,336,71],[$Expected sales volume $($units$)$:$,,],[$North Region,$4,300,4,800],[,$ South Region,$5,3p0,4,600],[$Unit sales price,$$145,$$$200$