Help Designing Database For Flashcard Software

Hi there, I'm looking for someone who can quickly design a rough database schema according to the following requirements and display it using a database schema designer like [login to view URL] The database is for a flashcard learning system. "Users" can purchase access to specific "decks"(topics). Each deck contains a range of "flashcards". Flashcards have "due dates" (when they are due for review) that are uniuqe to each user. Look forward to your bid. If you have any questions feel free to PM me.