What is the current total product cost$($for the

$1515$

million$$ units$),$ including fixed and variable$$ costs?

Determine the$$ formula, then calculate the current total product cost$($for the

$1515$

million$$ units$),$ including fixed and variable costs.

$$

Total fixed costs

$+$

Total variable costs

$=$

Total product costs

$$

$$3$

million

$+$

$2$

million

$=$

$$

million