this question is about Financial Accounting.

this question is about Financial Accounting.
a company held property,plant and equipment at 31 December 20X5 with a net book value of $22,700.During 20X6 item with a net book value of $2,100 were sold,realising a profit of $700.the depreciation charge in the 20X6 income statement was $4,300.Items with a book value of $15,200 were revalued to $21,250.At 31 December 20X6 the company's statement of financial position showed the net book value of poroperty,plant and equipment as $44,100.
what was the cost of new property,plant and equipment acquired during 20X6?