Employee benefit expenses

$

9,736,015

$

17,638,494

$

22,749,535

Media cost in cost of revenue

6,900,142

8,120,698

8,245,555

Depreciation expenses on property, plant and equipment

39,078

159,993

149,886

Depreciation expenses on right-of-use assets

394,184

865,790

987,745

Depreciation expenses on investment property

—

—

1,857

Amortization expenses

1,058,392

1,809,774

2,101,080

Professional fees

2,407,919

7,309,660

10,043,094

Listing expenses (Note 1)

—

—

38,160,746

Impairment loss on intangible assets (Note 2)

—

298,424

29,026,050