Arthur crafts boxes of chocolates which he sells for $21 each. Arthur has calculated he will break even on profit when his sales reach $1,155 of revenues. The boxes have an overall varlable cost of $9 to produce per unit. What is Arthur's percent margin per unit? Bill Clinton reportedly was paid $10.0 million to write his book My Life. The book took three years to write. In the fime ho spent writing, Cinton could have been paid to make speeches Given his popularity, assume that he could earn $8.7 million per year (pald at the end of the year) speaking instead of writing Assume his cost of capital is 9.4% per yoar a. What is the NPV of agreeing to write the book (ignoring any royalty payments)? b. Assume that, once the book ts finished, it is expected to generate royalties of $5.4 million in the first year (paid at the end of the year) and these royalties are eppected lo decrease at a rate of 30% per year in perpetuity. What is the NPV of the book with the royaliy payments? a. What is the NPV of agreeing to write the book (ignoring any royalty payments)? The NPV of agrecing to write the book (ignoring any royalty payments) is ? (Round to the nearest dollar)