Prepare an activity diagram for computing a bill in a restaurant. Items are selected from the menu card. A bill is prepared for the menu items. There should be a charge for each delivered item. The...

Prepare an activity diagram for computing a bill in a restaurant. Items are selected from the menu card. A bill is prepared for the menu items. There should be a charge for each delivered item. The total amount should be subject to tax and service charge of 18% for groups of six or more. Any coupon charge submitted by the customer is subtracted from the bill. Finally, a bill is given to the customer for payment.