Based on the following production and sales estimates for May, determine the number of units expected to be manufactured in May. Estimated inventory (units), May 1 Desired inventory (units), May 31 Expected sales volume (units): South regior West region North region Unit sales price Oa. 90,000 units Ob. 85,000 units Oe. 105,000 units Od. 95,000 units 20,000 15,000 30,000 40,000 20,000 $10