In financial accounting, the balance sheet and income statement are the two most important types of financial statements (others being cash flow statement, and the statement of retained earnings).
(Tip: When you're paying this much for the material, you want a slate specialist to install it.) All told, the cost of installing a slate roof can range from about $1,500 to over $5,000 per square. On a 30-square (3,000 square-foot) roof, that's a price tag of $45,000 to $150,000 for the whole job. Now, back to the question of affordability, or more precisely, relative affordability.
1 Having a slate floor professionally installed can cost $6-$20 a square foot, depending on local rates, quality of tiles and complexity of the installation, or $600-$2,000 for 10'x10'. 2  For details, see How Much Does a Slate Floor Cost.