Maintenance costs at Seaside Manufacturing over the past six months are listed in the following table. Month January February March April May June Maintenance cost $13,600 $14,720 $12,560 $14,480 $15,180 $13,200 Machine hours 15,500 16,900 13,800 16,600 17,300 15,000 Using the high-low method, what would the variable maintenance cost per machine hour be? O A. $0.88 B. $0.75 C. $1.34 D. $0.91 Maintenance costs at Seaside Manufacturing over the past six months are listed in the following table Month January February March April May June Maintenance cost $13,600 $14,720 $13,000 $14,480 $ 16,000 $13,200 Machine hours 15,500 16,900 14,000 16,600 18,000 15.000 Using the high-low method, what would the monthly fixed maintenance cost be? (Round any intermediary calculations to the nearest cent.) O A. $2,500 OB. $3,000 OC. $13,500 OD. $29,000