Sonic 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: Rumble Thunder Estimated inventory (units), June 1 750 300 Desired inventory (units), June 30 500 250 Expected sales volume (units): Midwest Region 12,000 3,500 South Region 14,000 4,000 Unit sales price $60 $90 a. Prepare a sales budget. Sonic Inc. Sales Budget For the Month Ending June 30 Product and Area Unit Sales Volume Unit Selling Price Total Sales Model: Rumble Midwest Region $ $ South Region Total $ Model: Thunder Midwest Region $ $ South Region Total $ Total revenue from sales $ Feedback Once sales quantities are estimated, the expected sales revenue can be determined. b. Prepare a production budget. For those boxes in which you must enter subtracted or negative numbers use a minus sign.