|     11 assert(CW6b.investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2000, 100) == 100) |     11 assert(CW6b.investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2000, 100) == 100) | 
|     12 assert(CW6b.investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2001, 100) == 27) |     12 assert(CW6b.investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2001, 100) == 27) | 
|     13 assert(CW6b.investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2002, 100) == 42) |     13 assert(CW6b.investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2002, 100) == 42) | 
|     14 assert(CW6b.investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2003, 100) == 27) |     14 assert(CW6b.investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2003, 100) == 27) | 
|     15 assert(CW6b.investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2004, 100) == 38) |     15 assert(CW6b.investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2004, 100) == 38) | 
|     16 assert(CW6b.investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2005, 100) == 113) |     16  | 
|     17 assert(CW6b.investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2006, 100) == 254) |     17 // 113 | 
|     18 assert(CW6b.investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2007, 100) == 349) |     18 assert((112 to 114).contains(CW6b.investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2005, 100))) | 
|     19 assert(CW6b.investment(List("GOOG", "AAPL", "BIDU"), 1990 to 2017, 100) == 11504) |     19 // 254 | 
|         |     20 assert((252 to 256).contains(CW6b.investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2006, 100))) | 
|         |     21 // 349 | 
|         |     22 assert((346 to 352).contains(CW6b.investment(List("GOOG", "AAPL", "BIDU"), 2000 to 2007, 100))) | 
|         |     23 //11504 | 
|         |     24 assert((11389 to 11619).contains(CW6b.investment(List("GOOG", "AAPL", "BIDU"), 1990 to 2017, 100))) |