Bowser 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 $1,272,75],[$Desired inventory $($units$),$ June $30,313,65],[$Expected sales volume $($units$)$:$,,],[$North Region,$3,550,4,000],[$South Region,$5,400,4,700],[$Unit sales price,$$130,$$$215$