Thanks for taking on the challenge. Fill in the form below with your point estimate, the range you expect other participants will fall within, and your working.
You can type your working directly into the form, attach a supporting file (Excel, Word, PDF, or similar), or both. Whatever's easiest.
Before you submit
Please use the same email address you used when you requested the materials. This is how we match your submission to your entry. Only one submission per person.