Thoughts on Non-Refundable @ current prices AND Refundable @ 10% higher rate?

I should have read this thread before I started a similar thread. Would you mind sharing the results of your experiment?

My hypothesis is loss aversion bias would cause more people to opt for the non-refundable option and it would be a win for me.
Loss Aversion: Definition, Risks in Trading, and How to Minimize.

Ideally, we should have a third option, that would help us construct a decoy effect similar to how Starbucks encourages people to order the largest drink.