Suppose you are writing software for a radio station that manages its playlists. the program will generate candidate playlists from a record library automatically and station personnel can then check and modify them. disc jockeys must also be able to change playlists when they are used because what is actually played is often different from what is planned. the playlists are then used to generate reports for paying royalties. you must decide what sort of data structure to use to store playlists. make a choice and write a design rationale. your rationale should explain the factors that went into your decision, the design alternatives you considered, your evaluation of design decisions, and the reasoning for your final choice.

1. b

2. c

3. b

4. a

5. b

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-ttl

the benefits of raising bc’s minimum wage to $15 through a

series of pre-announced staged increases far outweigh the likely

costs. claims that such an increase will lead to massive job losses

in low-wage sectors of the economy are not credible.

• an increase to $15 would result in some job losses. however,

the likely impact is less than a 1 per cent reduction in the overall

provincial employment rate, and a 7.6 per cent reduction in the

employment rate for those currently making between $10.25

and $15 per hour.

• the large job loss impacts predicted by some opponents of

minimum wages misrepresent the existing economic research. in

reading and using that research, it is important to recognize that

estimates showing job loss effects of minimum wage increases

apply only to teenagers. estimated effects for young adult and

adult workers range from insignificant to non-existent.

• focusing on teenage workers plays up an inaccurate stereotype

about who earns very low wages in bc and leads to exaggerated

claims about job losses. only 26 per cent of those currently making

between $10.25 and $12 are teenagers, and only 5 per cent

of those making between $12 and $15 are teenagers.