Create a class diagram for a jewelers system, Than create the behavioural state machine diagram from the class diagram.

the jewelers sells membership to people who have interest in their jewelry. Members pay membership fee for one year and each month gold worth for the amount paid is reserved for them based on the current rate of gold. the jewelers currently offer 4 types of membership (25usd, 50usd, 75usd and 100usd) customers usually belong to one type of membership but some my have two or more memberships. when people join the jewelers the sales person records the name, address, phone number, email, credit card information, start date, and membership service (e.g., 25usd) some customers request a double or triple membership. By the end of the year members can choose any jewelers that is equivalent to the gold reserved in their name without making charges.

jewelers system : the system has to track the membership, installment, gold reserved, and year end jewelers purchase.