The following data relate to a popular novel sold by a publisher:

Fixed Costs:

Copy Editing $6480

Artwork $2280

Typesetting $73267

Variable Costs per copy:

Printing and Binding $3.08

Bookstore Discounts $4.23

Sales Commissions $0.85

Authors Royalties $2.41 Each novel copy sells for $23. The company sold 10107 copies in July.

Required: Calculate the Margin of Safety Percentage of July (Present your answer in 4 decimals, e.g. 32.56% = 0.3256)