Dunbar Company manufactures drinking glasses. One unit is a package of 8 glasses, which sells for $20. Dunbar projects sales for April will be 3,000 packages, with sales increasing by 100 packages per month for May, June, and July. On April 1, Dunbar has 250 packages on hand but desires to maintain an ending inventory of 10% of the next month's sales. Prepare a sales budget and a production budget for Dunbar for April, May, and June.