I do believe this will be possible when the API has released; albeit you'd need to develop your own integration plugin to do so it would be possible. However, for the time being the API is yet to be released (still being finalized).

For example we use a plugin developed to handle the licensing system which features a drop down with multiple options. You CAN actually achieve multiple options for a single plan though using Parent->Child plan type relationships. You have a parent plan with a flat fee, then you "add to" the parent plan with child plans (set as non-exclusive of course). A little bit of creativity with trial and error and you should be able to achieve something acceptable to your needs.