FIRM DENIES OVERBILLING.(News) From: Daily News (Los Angeles, CA) | Date: December 17, 1999 | COPYRIGHT 1999 Daily News. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group.Copyright information

Byline: Greg Gittrich Staff Writer

A Belmont Learning Center subcontractor denied Thursday that it overbilled the Los Angeles Unified School District and vowed to open its financial books to the public and investigators.

``We can justify the work,'' said Michael Siegel, a senior project manager for BMP Group, a concrete subcontractor.

Don Mullinax, director of the LAUSD Internal Audit and Special Investigations Unit, included the BMP Group on a list...