A cost that has both a fixed and variable component is known as a$\_\_\_\_$ cost$.($An example of this type of cost is an electricity bill that has a monthly fixed fee of $$25$ plus $$\mathrm{.}08$ per kilowatt hour charge.$)$:

A cost that has both a fixed and variable component is known as a$\_\_\_\_$ cost$.($An example of this type of cost is an electricity bill that has a monthly fixed fee of $$25$ plus $$\mathrm{.}08$ per kilowatt hour charge.$)$:

Sunk cost

Opportunity cost

Fixed cost

Mixed cost