In the photo the answer is shown below but I need to know how to solve it.

Karen is single. Last year she earned 337,300 in wages. Addinional tax information for the year is as follows: interest earned: 5135 ; capital gaina from sale of stock: 51,650; penalty on earty withdrawal of savings: $300; contributions to Koogh retirement fund: 11,000; real estate taxes paid: s4,000; mortgage interest paid: $3,900, The following table gives the standard decuction for various filing statuses. Find the tarabie ineopene for the year