post explanation please!

Dell is selling 20,000 units in Europe at an average price of 1,700 per unit. Both the spot and forward exchange rates are $1.20/. The cost of each unit in dollars is $1,500 per unit. The elasticity of demand for Dell computers in Europe is -1.5. Reconsider a depreciation of Euro (relative to US dollar) from $1.20/ to $1.08/. Now assume passthrough - 0.5. What is Dell's total profit in $? $11,869,440 $8,028,860 $12,028,410 $6,397,440