Runaround Corporation sells running shoes and during January they ran production machines for 24,000 hours total and incurred $15,000 in maintenance costs. During July they ran production machines for 12,000 hours total and incurred $8,400 in maintenance costs. Based on this data, what is the cost formula for maintenance costs? (Round intermediary calculations to the nearest cent.) O A. y = $0.55 X + $1,800 O B. y = $0.56 X + $15,000 O C. y = $2.00 X + $43,200 OD. Cannot determine from the information given