A homemaker establishes her own business unit to manufacture bread toast maker in the
year 2015. Now she estimates the sales of toast maker and its total costs for the coming
year, which is given in tabular form below
Month	# of Toast maker	Total
	sold	Cost
Jan	250	$ 14,000
Feb	450	$ 22,000
Mar	560	$ 27,000
Apr	270	$ 21,000
May	450	$ 23,000
June	500	$ 25,000
July	650	$ 31,000
Aug	710	$ 33,000
Sep	560	$ 26,250
Oct	580	$ 27,000
Nov	550	$ 26,000
Dec	320	$ 17,500
Solve by Least-squares Regression Method ONLY AND COMPUTE THE FOLLOWING
Requirements:
(i) Variable cost per Toast maker= $
(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