No. of shares outstanding before stock dividend = 634000
Price per share = $46
Stock dividend issued (shares issued) = 634000 x 13%
= 82,420
Value of stocks issued as stock dividend = 82420 x $46 = $3,791,320
No. of shares outstanding after stock dividend = 634,000 +82,420
=716420
Cash dividend = 716420 x 0.60
= 429,852
Total reduction in retained earnings = total value of dividend issued
= $3,791,320 + $429,852
= $4,221,172