在一个职位的薪水说明中看到这样几行内容:& e$ F8 F1 A( q8 v! v salary range: : [4 Z8 H( b. N/ z
the rates quoted are in accordance with a collective agreement between the union and the city of edmonton/ F w7 n7 ? P* B0 [7 \8 R" }& d3 Z
. J6 l! l3 ^0 i; H. d( {; oJob Level: .......# d9 \; N9 W9 T1 B8 z& N
opportunity concept level 1: ............5 V/ o+ k, g( I
opportunity concept level 2: ............ 4 c) ~0 Y* W! {2 W. F8 X 1 W6 y, x2 s7 L# P3 个各标了3种不同的薪水标准, 想知道的是:到底哪个才是这个职位的薪水呢?还是说根据什么不同而不同呢?