equal
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inserted
replaced
204 $50 * -0.03573991804411003 + $50 * 0.539974575389325 |
204 $50 * -0.03573991804411003 + $50 * 0.539974575389325 |
205 = $25.21173286726075 |
205 = $25.21173286726075 |
206 \end{verbatim} |
206 \end{verbatim} |
207 |
207 |
208 as profit for that year, and our new balance for 2011 is \$125 when |
208 as profit for that year, and our new balance for 2011 is \$125 when |
209 converted to a \texttt{Long}.\mbox{}\hfill\mbox{[1 Mark]} |
209 converted to a \texttt{Long}. Since \texttt{yearly\_yield} should |
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210 produce a \texttt{Long}, there are a number of ways how to round |
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211 doubles. One way to do the calculation is to calculate the profit |
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212 first as \texttt{Double}, and then round the result down to a \texttt{Long} |
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213 (using \texttt{.toLong}) and add it to the balance (which is also a |
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214 \texttt{Long}).\\ |
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215 \mbox{}\hfill\mbox{[1 Mark]} |
210 |
216 |
211 \item[(7)] Write a function that calculates the overall balance |
217 \item[(7)] Write a function that calculates the overall balance |
212 for a range of years where each year the yearly profit is compounded to |
218 for a range of years where each year the yearly profit is compounded to |
213 the new balances and then re-invested into our portfolio. |
219 the new balances and then re-invested into our portfolio. |
214 For this use the function and results generated under (6).\\ |
220 For this use the function and results generated under (6).\\ |
235 turn out to be a blue chip company. Also, since the portfolios are |
241 turn out to be a blue chip company. Also, since the portfolios are |
236 chosen from the current S\&P 500, they do not include the myriad |
242 chosen from the current S\&P 500, they do not include the myriad |
237 of companies that went bust or were de-listed over the years. |
243 of companies that went bust or were de-listed over the years. |
238 So where does this leave our fictional character Mr T.~Drumb? Well, given |
244 So where does this leave our fictional character Mr T.~Drumb? Well, given |
239 his inheritance, a really dumb investment strategy would have done |
245 his inheritance, a really dumb investment strategy would have done |
240 equally well, if not much better. And one would assume this guy is |
246 equally well, if not much better. Anyhow, one would assume that this |
241 by now locked up in prison and the key thrown away, but alas he |
247 guy is by now locked up in a prison and the key thrown away, but alas he |
242 is still around annoying commonsense people.\medskip |
248 is still around annoying commonsense people. What a pity.\medskip |
243 |
249 |
244 \end{document} |
250 \end{document} |
245 |
251 |