Boyd's Bikes has collected the following information over the last six months. Month Units produced Total costs March 10,000 $512,000 April 12,000 624,000 May 18,000 954.000 June 13,000 629,000 July 12.000 610,000 August 15,000 773,000 1 Using linear regression what is the estimated total cost in a month when 12 500 units are produced? 2. What is the estimated cost per unit in a month when 12,500 units are produced? 3. Why is the regression method generally considered better than high-low for estimating costs