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').
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.