How much are they going to spend on marketing?
They are going to spend 20% on it.
It is 10% if you look on their website you can see that they are dividing the 50% from the profit in one month in to three sections 30% for development 10% for marketing and 10% for operation you can see more details on their website
https://www.luxcess-group.com/.
Yes these kinds of information can also be found in the whitepaper
From the homepage you have to subscribe first but here is the direct link to the white paper:
http://luxcess-group.com/img/whitepaper.pdf