What are the questions you should answer after your technical tests are complete in order to determine if you are ready to present your work?
What will be an ideal response?
• Do all of your final design and development decisions reflect your client's goals and requirements and meet the needs of the intended audience?
• Did you follow good web development practices and current accessibility standards?
• Did you check your pages against your wireframes as you developed them?
• Did your final delivery date and budget meet the goals?
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Create a class that will bundle together several static methods for tax computations. This class should not have a constructor. Its attributes are
• basicRate—the basic tax rate as a static double variable that starts at 4 percent • luxuryRate—the luxury tax rate as a static double variable that starts at 10 percent Its methods are • computeCostBasic(price)—a static method that returns the given price plus the basic tax, rounded to the nearest penny. • computeCostLuxury(price)—a static method that returns the given price plus the luxury tax, rounded to the nearest penny. • changeBasicRateTo(newRate)—a static method that changes the basic tax rate. • changeLuxuryRateTo(newRate)—a static method that changes the luxury tax rate. • roundToNearestPenny(price)—a private static method that returns the given price rounded to the nearest penny. For example, if the price is 12.567, the method will return 12.57.
Several retailers have gotten together and begun issuing a “state” credit card that is good only in stores in their state. As a courtesy, sales clerks are permitted to transcribe the 15-digit account number by hand (after getting it from the accounting office) if the customer is not carrying the card. The only problem with accounts that retailers have noticed so far is that sometimes, erroneous account numbers are accepted into the computer system, resulting in a bill being issued to a nonexistent account.
a. What sort of validity test would clear up the problem? How? Respond in a paragraph. b. Suggest an alternative data entry method that might alleviate this problem altogether.