Here a calculation with the current average price of gold
2011
DB price participation = 7770 oz * $415 = $3,224,550
Gold Revenues = 47200oz * $1559 (actual average Q1 2012) = $73,584,800
Silver Revenues = 64000oz * 37$ (actual average Q1 2012) = $2,368,000
Aggregate Revenues = $15,000,000
Total Revenues = $94,177,350
Minus
Aggregate cost = $4,000,000
COGS = $34,000,000
16,3% of Renvenues = $15,350,908
No Tax so far
Makes a profit of $40,826,442 for 7 Months
2012
DB price participation = 16320 oz * $415 = $6,772,800
Gold Revenues = 112800oz * $1559 (actual average Q1 2012) = $175,855,200
Silver Revenues = 149oz * 37$ (actual average Q1 2012) = $5,513,000
Aggregate Revenues = $42,000,000
Total Revenues = $230,141,000
Minus
Aggregate cost = $11,000,000
COGS = $82,000,000
14,6% of Renvenues = $33,600,586
No Tax so far
Makes a profit of $103,540,414 for 12 Months