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').
So, letâs say, with this 29 sq. roof, a contractor provides you with a bid of $225 per sq. ($225 X 29 = 6,525), the total roof replacement cost would be $6,525. Note that this price should include all that has been outlined in our Best Roofing Shingle Practices.n the Houston Texas metro area, roofing companies and contractors will charge anywhere from $195 â $295 per square to replace most roofs (this is for a standard 1-2 story with a roof pitch of 5/12 or less).