Georgiana 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.

$\_$ Numberof Customers

$13001\mathrm{.}80015001\mathrm{.}200$

Nail supplies $$4,030$ $$5,5804,6503720$

Equipment Rental $2,2002,2002,2002,200$

Electricity $\_27434310\_2\%$

Total $$6504$ $$8144$ S$7\mathrm{.}160$ $$6\mathrm{.}176$

$4.$ If Georgiana believes next month is going to be busier than the last few months and she expects $1,850$ customers $($relevant range

is $1,000$ to $2,000$ customers per month$),$ what is the expected cost for electricity? $($Hint: High Low Method$)$

a$.$ $$390$

b$.$ $$378$

c$.$ $$410$

d$.$ $$373$