he following information applies to questions 31 to 33

Wasderf Limited is a capital-intensive business that manufactures scuba tanks. Financial information for the last six months ending December 2019 reveals the following:

Month	Scuba tanks sold	Production overheads ($ thousands)
July	120	30.8
August	100	27.7
September	120	32.8
October	140	34.6
November	180	44.1
December	160	41.3

Question 31 (2 marks): Use the high-low method to estimate the variable production overhead cost per scuba tank.

Answer: