A company incoporated in Wales, manufactures Microwave ovens for the home purpose
It acquires iron from London and then manufacture it , and assembles all parts to make an
Oven. Sales data and its total cost is provided below
Month	# of Oven	Total
	sold	Cost
Jan	100	$ 75,000
Feb	150	$ 115,000
Mar	280	$ 210,000
Apr	300	$ 250,000
May	320	$ 225,000
June	520	$ 325,000
July	520	$ 330,000
Aug	570	$ 350,000
Sep	500	$ 340,000
Oct	450	$ 285,000
Nov	150	$ 120,000
Dec	200	$ 145,000
Solve by Least-squares Regression Method ONLY AND COMPUTE THE FOLLOWING
Find out the following:
(i) Variable cost per Oven= $
(ii) Fixed cost per month = $
(iii) Semi Variable costs per month = $
(iv) Semi Fixed costs per month = $
REMEMBER NOT TO SOLVE BY HIGH-LOW METHOD
Need 100% Correct answer, with Step-by Step Answer