the cost of printing a book has the following components-paper 10%,printing ink 5%,labor 20%,power 25%,payment to author 40%the book is sold at a profit of 25%.the paper cost goes up by 20% and labor charges goes up by 50%,while there is no changes in the cost of power,or the author's payment.Q1-if the s.p remains unchanged,what is the profit percentage?a .13%b. 11 11/28%c. 11 17/28%d. 12 7/12%Q2-if the manufacture increases the s.p by 4% and wants a profit of 18 2/11% by what percent should he reduce his expenditure on labor(at the increased cost)?a. 6 2/3%b. 6 1/3%c. 3 1/3%d. 3 2/3%