PLEASE HELP!!!!

8 Bangkok Instruments, Ltd. (A). Bangkok Instruments, Ltd., the Thai subsidiary of a U.S. corporation, is a seismic instrument manufacturer. Bangkok Instruments manufactures the instruments primarily for the oil and gas industry globally, though with recent commodity price increases of all kinds, including copper, its business has begun to grow rapidly. Sales are primarily to multinational companies based in the U.S. and Europe. Bangkok Instruments' balance sheet in thousands of Thai bahts (B) as of March 31 is as follows: Bangkok Instruments, Ltd. Balance Sheet, March 1, thousands of Thai hahts Exchange rates for translating Bangkok Instrument's balance sheet into U.S. dollars are: B 40.00=$1.00 April 1 exchange rate after 25% devaluation. B 30.00=$1.00 March 31 exchange rate, before 25% devaluation. All inventory was acquired at this rate. B 20.00=$1.00 Historic exchange rate at which plant and equipment were acquired