A company normally sells its product for $20 per unit. However, the selling price has fallen to $15 per unit. This company's current inventory consists of 200 units purchased at $16 per unit. Replacement cost has now fallen to $13 per unit.
Install Roof Shingles Cost. Typical cost to have roofing shingles installed in San Antonio, TX is around $80 - $100 (per square, asphalt). Roof Replacement Cost. Typical cost to have roofing replaced in San Antonio, TX is around $5,760 (24'x45').
Some roofs are flat and others are steep. Some roofs are made of wood and others, metal. Only touching on the myriad of roof cost factors, itâs no wonder the average cost of a new roof ranges from $5,300 to $12,000. Nonetheless, after analyzing over 19,000 roof installations across the country, we found that the average roof estimate comes in at $6,364.