Answer: D) Direct Materials Explanation: Direct Materials doesn't come under Fixed Cost because it vary with changes in the activity level of a business. Fixed Cost : A fixed cost is a cost that does not change over the short-term, even if a business experiences changes in its sales volume or other activity levels. It is of some importance to understand the extent and nature of the fixed costs in a business, since a high fixed-cost level requires a business to maintain a high revenue level in order to avoid generating losses. Examples of Fixed Cost are: Insurance, Salaries, Rent, Property Taxes,...

Answer: C) 418 Explanation: Let the total book be 1 Then, in the 1st week 613th of book is read i.e remaining pages =  1-613=713 in 2nd week he read 59th of it i.e 59×713=35117Remaining pages after 2nd week = 713-35117=28117 But given remaining pages after 2nd week = 100   28x117=100 --> x = 418   The total pages in the book are 418