The find added about 10 percent to California's known reserves.

Plans include adding about 40 percent more gallery space, 75,000 square feet.

This would add about 3.2 percent to their costs.

"That adds about 20 percent to my cost of picking," he said.

Passing on that increase to consumers would add about 12 percent to the company's current annual revenues.

Covering that in full would add about 2.5 percent to the nation's total annual utility bills.

The result was that we were able, across the company, to add about 50 percent to the membership over a four-year period.

The company says business from music retailers will add about 10 percent to its annual revenue, which totaled $310 million last year.

Throughout the process, soil and rocks are being hauled in, adding about 8 percent to the final cost.

It added about fifty percent to our already respectable costs.