In Munchen Industrielle Bauteile case how is the loan amortization schedule calculated? Cannot understand how Interest and Principal are distributed over 12 years?

7 . New machine paid at 14% interest over 12 years . Loan amortization schedule is as follow Amortization of 90OK loan Yr Payment Interest Principal Outstanding Balance 900 000.00 1/ $159 002 39 / $ 126 000 .00 / $33 002 .39 866 . 997 . 61 21 $159 002 39 5 121 379 . 66 / $37 62 2 . 73 829 , 374 88 31 $159 002 39 / 51 16 112 48 542 889 . 91 786 , 484 . 96 4 $159 002 39 51 10 107 90 $48 894 50 737 590 47 5/ $159 002 39 / $103 262 . 67 / $55 , 739. 73 681 850 .74 61 $159 002 . 39 1 595 , 459 . 10 / $ 63 543. 29 618 307 45 7| $159 002 . 39 586 , 563. 04 $72 439 .35 545 , 868.09 81 $ 159 002 . 39 1 576 421 53 / $ 82 580 86 463 , 287 23 9/ $159 002 . 39 / $64 860 . 21 / $94 142 .18 369 , 145. 05 10$159 002 39 $51 680 . 31 $107 322. 09 261 82 2 96 1 1/ $159 002 . 39 1 536 655 . 21 / $ 122 347 . 18 39 475 78 21 $159 002 39 / $19 526 . 61 / $ 139 475 .78 0.00