Correct Answer - D
Weight of gold piece of gold `= 0.2354 kg`
`= 235.4` grams
Weight of gold used for ornament `= 9.56` gm
Remaining gold `= 235.4 - 9.56 = 225.84` gm
Cost of remaining gold `= 225.84 xx2875.50`
`= 649402.92`
Hence, the correct option is (d).