16 NORTHERN COLLEGE OF APPLIED ARTS AND TECHNOLOGY Notes to Financial Statements Years ended March 31, 2013 and March 31, 2012 9. Deferred contributions: Details of the continuity of these funds are as follows: March 31, March 31, April 1, 2013 2012 2011 Balance, beginning of year $ 2,958,819 $ 4,947,915 $ 4,750,600 Additional contributions received 933,901 3,014,977 3,663,736 Amounts taken into revenue (2, 490,239) (5,004,073) (3,466,421) Balance, end of year $ 1,402,481 $ 2,958,819 $ 4,947,915 10. Deferred capital contributions: Deferred capital contributions represent t he unamortized and unspent balances of donations and grants received for capital asset acquisitions. Details of the continui ty of these funds are as follows : March 31, March 31, April 1, 2013 2012 2011 Balance, beginning of year $ 27,087,692 $ 28,397,321 $ 18,030,145 Additional contributions received 453,224 696,664 11,829,531 Amounts amortized into revenue (2 ,120,198) (2,006,293) (1,462,355) Balance, end of year $ 25,420,718 $ 27,087,692 $ 28,397,321 The balance of unamortized and unspent funds consists of the follow i ng: March 31, March 31, April 1, 2013 2012 2011 Unamortized deferred capital contri butions $ 25,420,718 $ 27,087,692 $ 28,028,467 Unspent contributions – – 368,854 Balance, end of year $ 25,420,718 $ 27,087,692 $ 28,397,321