The controller of Furgee Industries has collected the following monthly expense data for use in analyzing the cost behaviour of maintenance costs.

Total Maintenance Total Month Costs Machine Hours January $2,500 300 February 3,000 350 March 3,600 500 April 4,500 690 May 3,200 400 June 4,900 700 (b) Choose the correct graph showing the behaviour of maintenance costs. $5.000 $4.900 $4 080 COSTS $3080 Total Cost Line Fled Cost Element $1.080 Variable Cost Element 0 100 200 300 400 500 608 700 Machine Hours $5.060 Total Cost Lines $4900 14 060 COSTS Fixed Cost Element $1000 Variable Cost Flempet 0 100 200 300 400 500 600 Fed Machine Hours $5,000 $4.900 COSTS $3.080 Total Cost Line Variable Cost Element $1,080 Fixed Cost Element 0 100 200 300 400 500 600 700 Machine Hours $5,000 Total Cost Lines $4.900 Variable Cost Element $1.090 Fixed Cost Element 0 100 200 300 400 500 600 700 Machine Hours