In a class hierarchy,
a. the more general classes are toward the right of the tree and the more specialized classes are toward the left.
b. the more general classes are toward the left of the tree and the more specialized classes are toward the right.
c. the more general classes are toward the bottom of the tree and the more specialized classes are toward the top.
d. the more general classes are toward the top of the tree and the more specialized classes are toward the bottom.

Assume the existence of a bankaccount class. define a derived class, savingsaccount that contains two instance variables: the first a double, named interestrate, and the second an integer named interesttype. the value of the interesttype variable can be 1 for simple interest and 2 for compound interest. there is also a constructor that accepts two parameters: a double that is used to initialize the interestrate variable, and a string that you may assume will contain either "simple", or "compound", and which should be used to initialize the interesttype variable appropriately. there should also be a pair of functions getinterestrate and getinteresttype that return the values of the corresponding data members (as double and int respectively).

How can you make your column headings stand out?

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