Write SQL codes according to the requirements given. Tables are imaginary, column names can be made up. a. For each invoice, list the invoice number and invoice date along with the ID, first name, and last name of the customer for which the invoice was created.
b. For each invoice placed on November 15, 2021, list the invoice number along with the ID, first name, and last name of the customer for which the invoice was created.
c. For each invoice, list the invoice number, invoice date, item ID, quantity ordered, and quoted price for each invoice line that makes up the invoice.

Martha is designing a single-player game. her manager suggests that she plan the design to incorporate future modifications. which principle of game design relates to planning for future modifications?

When is it most apprpriate for a development team to change the definition of done

7.23 main lab 7 - online shopping cart background this main lab extends the earlier prep lab "online shopping cart part 1". (you should save this as a separate project from the earlier prep lab). you will create an on-line shopping cart like you might use for your on-line purchases. the goal is to become comfortable with setting up classes and using objects. requirements this lab can be done individually or as pair programming. expanded itemtopurchase class (15 points) extend the itemtopurchase class as follows. we will not do unit testing in this lab so we will not be giving you the names of the member functions. create good ones on your own. create a parameterized constructor to assign item name, item description, item price, and item quantity (default values of "none" for name and description, and 0 for price and quantity). additional public member functions set an item description get an item description print the cost of an item - outputs the item name followed by the quantity, price, and subtotal (see example) print the description of an item - outputs the item name and description (see example) additional private data members a string for the description of the item. example output of the function which prints the cost of an item: bottled water 10 @ $1.50 = $15.00 example output of the function which prints the item description: