Convert audio from 30 youtube video's into text scripts

Seeking to convert audio from youtube video into text and make a video scripts. The text of the audio should be in a well laid out, formatted, punctuated, word document. This project has approximately 30 youtube video's to convert audio to text. We will Pay Via paypal only after completion of every 10 video's. Your price includes all amendments and changes. PLEASE QUOTE IN PM PER VIDEO PRICE. I will short listed providers that will be ask to do a sample of one video to convert audio to text. That I will pay for via paypal. PLEASE QUOTE IN PM PER VIDEO PRICE.