Answer:
treasury stock   1,645,600 debit
              cash        1,645,600 credit
--to record he purchase of TS--
cash       925,000 debit
     treasury stock         850,000 debit
    additional paid-in TS  75,000 debit
-to record sale of TS above their cost--
cash                         760,500 debit
additional paid-in TS  35,100 debit
            Treasury Stock    795,600 credit
Explanation:
<em><u>treasury stock cost:</u></em>
24,200 shares x $68 each = 1,645,600
sale of TS
proceeds:  12,500 x $74 =925,000
cost:           12,500 x $68 = 850,000
additional paid-in TS 75,000
second sale of TS:
proceeds _ 11,700 x $65   760,500
Cost:           11,700 x $68    795,600
  additional paid-in TS          35,100