Software engineering HW help

Consider the following high-level description for OutdoorPowerEquipmentDepot retailer:

• The intent is to build an application that will allow the customer to buy, trade-in, or rent equipment from the retailer either in-store or online

• The store has a StoreManager, Customers, and Salesmen

• The retailers sells, trade-in, lease new and pre-owned products

• The StoreManager can Add/Delete/Update products

• There are number of equipment Manufacturers and each offers its

  own models.

• Every equipment has an extended warranty plan that could be

  bought separately from the retailer

• The customer can choose one of the following options when buying

  a new equipment

1. Buy the new equipment with no replacement
2. Buy the new equipment with 1 year replacement for 50% fee

of the equipment retail price; under this plan the customer can replace the equipment by a new one any time during the

year (Equipment can be replaced only once for the

customer).
3. Buy the new equipment with lifetime replacement for 65%

fee of the equipment retail price; under this plan the customer can replace the equipment by another new one any time (Equipment can be replaced only once for the customer).

• The customer can trade-in equipment

• The customer can rent equipment. However, there are a number of

  lease plans that the store like to offer its customers

  1. Limited duration rental (for example renting an equipment

     for 2 days)

  2. Single season rental (for example rent a snow blower for the

     entire winter season for a $100 fee per season)

  3. All seasons rental (for example the customer gets a snow

     blower for winter and a lawn mower for spring/summer for

     $150 fee annually)

• The customer can place an order, check the status of an order, or

  cancel an order.

• The customer can choose home-deliver or in-store pickup for the

  equipment rental. Equipment delivery or pick up shall be done within

  a reasonable amount of time after order is placed by the customer.

• The customer can pay in cash, check, or credit card

• Customers who are renting equipment must be at least 25 years

  old, have a valid ID and credit card.

• The customer has the choice to enroll (or cancel) and become

  PowerMember in order to receive 5% discount for every item

  purchased or leased for an annual fee of $30

• Some of the equipment may have store special-discounts

• Some of the equipment may have manufacturer rebates

• The Customer or salesman can determine the current market-value

  of the trade-in equipment through the PowerEquipmentTradeinMarket using the serial number of the equipment, date bought, and current condition (excellent, average, poor)

• Due to storage space limitation, the store requires to have at least 50% of its rental equipment be leased out to its customers at any time. If that threshold is violated, the store will send 25%

discount promotional lease offers through email to its customers in an attempt to reduce the number of equipment in its rental storage