求问~博卡拉徒步费用

各位大神~我在论坛上找了一下，联系了一个博卡拉的向导
小环线4天，三个人，需要一个导游一个背夫
他现在给我的报价是587！！！！！！！（我死活没算出来这么贵！）
包括进山证，来回包车接。山上吃饭，住宿，
这个是他写的原话

English speaking Government licenses holder trekking guide me& Supporters[1 porter][ our salary
Staff food, accommodation, salary, insurance, equipment and medicine are included in trekking.
Primary First Aid Kits (For the first aid treatment purpose such as bandage , some medicine......)
Trekking permits & TIMS for Conservation area /Restricted area & all the necessary official documents for trek.
Transport ; trek start to ending point by private car
all the taxes in the mountain
your lunch dinnerm brekfast in trekking area . tea or coffe
your hotel in mountain side [ private bathroom] with hot sower
是不是太贵了点。。囧，，我想还价，，大概多少合适呢？？