Mental disorders affect one in four people Treatment available but not being used Geneva, 4 Octoberâ One in four people in the world will be affected by mental or neurological disorders at some point in their lives.
First, roofers charge labor for removing your old roof. A one-story roof with a single shingle layer costs between $100 and $150 per square to remove; a double layer, $115 to $165; and triple layer, $125 to $175. If you have a particularly high roof or one that is extremely steep, you will pay more per square.
For direct labor, the standard cost is the amount per hour the employee earns plus the cost to the employer for employment taxes and benefits. The standard labor cost per part is calculated by taking the labor cost per hour divided by the parts per hour the employee is able to produce.