80 / 106
80
4. CASH AND CASH EQUIVALENTS
December 31, 2015
December 31, 2014
Petty cash
$ 110,000
$ 110,000
Demand deposits
815,500,032
443,583,315
Checking deposits
511,656
515,256
Time deposits
6,664,928,238
7,120,268,577
7,481,049,926
7,564,477,148
Cash equivalents
- Bonds purchased under resale agreements
150,164,089
100,009,644
Total
$ 7,631,214,015
$ 7,664,486,792
5. HELD-TO-MATURITY FINANCIAL ASSETS
December 31, 2015
December 31, 2014
Current items
Corporate bonds
$ 91,540,422
$ 506,482,483
Non-current items
Corporate bonds
$ 2,508,942,147
$ 1,850,967,274
Government bonds
94,073,918
94,688,707
$ 2,603,016,065
$ 1,945,655,981
6. OTHER RECEIVABLES
December 31, 2015
December 31, 2014
Interest receivable
$ 106,557,729
$ 117,107,094
Retained money receivable on completed projects
211,623,037
92,763,089
Total
318,180,766
209,870,183
Less: Allowance for doubtful accounts
( 748,774 )
( 894,318 )
Net
$ 317,431,992
$ 208,975,865
7. LONG-TERM LOANS RECEIVABLE
December 31, 2015
December 31, 2014
Current items
Current portion of long-term loans receivable
$ 393,589,042
$ 426,329,752
Less: Allowance for doubtful accounts
（
9,768,587
） （
10,366,224
）
Net
$ 383,820,455
$ 415,963,528
Non-current items
Long-term loans receivable
$ 3,323,475,568
$ 3,365,429,143
Less: Allowance for doubtful accounts
（
91,775,335
） （
95,582,599
）
Net
$ 3,231,700,233
$ 3,269,846,544
Total
$ 3,615,520,688
$ 3,685,810,072