High-Low Method to Determine Fixed Cost and Variable Rate Dohini Manufacturing Company had the following 12 months of data on purchasing cost and number of purchase orders. Number of Purchase Purchasing Cost Month Orders January $18,860 370 February 18,065 330 March 19,250 370 April 18,050 410 May 19,345 400 June 19,500 450 July 19,670 460 August 20,940 560 19,430 440 September October 20,020 500 November 18,800 470 December 19,340 480 Dennial 1. Determine the high point and the low point Month with Noh number of purchase orders August Month with low number of purchase orders February 2. Calculate the variable rate for purchasing cost based on the oumber of purchase orders. (Round to the nearest cent) per purchase order 3. Calculate the foed monthly cost of purchasing 4. Write the cost formula for the purchasing activity showing the feed cost and the variable rate: Round variable rate to the nearestent Total purchasing cost + 5. Il Dohini Manufacturing Company es mates that next month will have 430 purchase orders, what is the total estimated purchasing cost for that month 6. What if Dohini Manufacturing wants to estimate purchasing cost for the coming year and expects 5,340 purchase orden? What will estimated total purchaung cost be? What is the total fed purchasing cost Why doesn't it equal the food cost calculated in Reusement bove