How long will it take and cost to get from 27 to 99 prayer in runescape using regular bones?

i am a member cb 71 lvls are 51 attack 61 str 56 def 33 ranged 27 prayer 34 mage 16 rc 1 construction 16 dungeoneering 58 hp 12 agility 19 herblore 12 theiving 31 crafting 38 fletching 15 slayer 1 hunter 37 mining 14 smithing 7 fishing 53 cooking 66 fm 60 wc 4 summoning. plz tell me how to make the amount i need for reg bones from 27 to 99 prayer and how much it will cost using the reg bones my rs name is: iXamXwc manX i can only use quick chat but as of december 21st 2011 i can use free chat