A company produces circuit boards used to update outdatedcomputer equipment. The fixed cost is RM 39,000 per month, andvariable cost is RM 55 per circuit board. The selling price perunit is p = RM160 – 0.03D.  a) Determine the demand ofcircuit boards/month. b) Determine the profit or loss  c) Find the volume at which breakeven occurs and the range (domain)of profitable demand.  d) What the range (domain) ofprofitable demand if the fixed cost are reduced to 10%