Writing Feedback.
Up to the first 5,000 words costs £20, then each multiple of 5,000 words costs another £20. So, if your manuscript is between 5,001 and 10,000 words, the cost is £40, and if it is between 10,001 and 15,000 words, the cost is £60. You can order in multiples of £20 (so £60 is 3x20 GBP).