Write the next sentence in the following story.

How to cut stair stringers
Measure twice for your total rise and run and your individual rise and run.
Ensure your math and calculations are correct.
Your total rise is the vertical height from one story to the next.

a). The final rise, which can be measured across these floors, is the height from one story down to the next. That number, assuming you carry stairs often, will be expressed as a column divider for each floor.; b). Your total run is the lateral height from one story to the next. The rise is the volume of strides you take throughout a day.; c). Your individual rise is the vertical height of each step. Your total run is the horizontal distance between one story and the next.; d). In this case you will want to measure the vertical height for the first floor. Consult a carpenter's guide if you are unsure.;. The answer should be
c).