Hello! Assuming you have all the required stats/items for the quests here are the prices:
Song of the Elves: 35M
In Aid of the Myreque: 5M
Grim Tails: 3M
Enakhra's Lament: 2.5M
Total: 45.5M
Timeframe: 2-3 Days maximum, if not you will receive your money back.