Destiny Corp's book income before federal income taxes was $520,000 for the year ended December 31, 20x4. For book purposes, the organizational costs ($260,000) were expensed in prior years. For tax purposes, the organizational costs of $260,000 are being written off over the minimum allowable period. for the year ended December 31, 20x4, what should destiny's taxable income be, assuming business began in 20x1?

a. 468,000

b. 494,000

c. 511,333

d. 502,667