Problem $9$

Jerm $7$ Corporation is preparing a flexible budget and desires to$.$ separate its electricity expense, which is semi$-$variable and fluctuates with total machine hours, into its fixed and variable components. Information for the first three months of $2022$ is as follows:

$\backslash$table$[[,$Machine Hours,Electricity Expense$],[$January$,4,375,$P $39\mathrm{.}375],[$February$,2,500,25,000],[$March$,5,000,44\mathrm{.}500]]$

Requirements:

Compute the variable rate per machine hour.

Compute the fixed portion of Jem $7\text{'}$s electricity expense.

Compute the total manufacturing costs if Jem $7\text{'}$s actual machine hours used is $4,500.$