Semiridigrotor's concerns are probable based upon the fact that all three things are occurring at the same time and venturing into uncharted territory. Usually upgrades are based on a wealth of historic evidence.
To answer an earlier question, the possible basic weight of a corporate T2 is 1865kg giving 970kg payload to be shared between fuel and pax and freight (sandwiches and beer).
Should the 2910kg come to fruition then there's and extra 75kg available.