A 3/10 @ A-10. Score A21-B20. 25 seconds left in the fourth quarter. A23 runs to the A-25 and is tackled in bounds. During the run A77 held at the A-8. After the tackle, B68 taunts A23. What is the status of the clock?
Here's my interpretation: either team can have the clock start with the snap. "When a penalty is accepted ..., the offended team will have the option to start the game clock on the snap." It does
not say that the offended team has the option of starting the clock on the ready if it was already going to be on the snap. Nor does it specify what kind of penalty. The rule will apply to each penalty in turn.
So, administer the live-ball foul by A. Ask B if they would like the clock to start on the snap. If they say yes, it will do so.
Then, administer the dead-ball foul by B. If the clock is going to start on the ready, ask A if they would prefer it to start on the snap. If they say yes, it will do so.
(Note: Not asking either team if they accept the penalty here, as it seems obvious to me both ways.)