please help me answer this asap. thank you!

Maria operates a nail salon. She is trying to plan her costs for the next month and is uncertain as to how to estimate those costs. Help her estimate next month's costs given the following information she collected, based on number of customers per month. Nail supplies Equipment Rental Electricity Total 1300 $3640 2500 300 $6440 Number of Customers 1850 1600 $5180 $4480 2500 2500 410 360 $8090 $7340 1100 $3080 2500 260 $5840 If Maria believes next month is going to be busier than the last few months and she expects 1900 customers (relevant range is 1,000 -2,000 customers per month), what is the expected cost for electricity? O $425 O $457 O $420 O $437