Suppose the EUR is expected to appreciate by 5% in real terms against the USD. Consider the following about GM (US firm): An average of 70% of raw materials and components are imported by GM from Spain. Raw materials and components comprise 65% of total product costs. Foreign wages expenses accounts for 22% of production costs. The balance comes from other operating costs in foreign currency. What was the likely impact of a real appreciation of the EUR on GM using Spain as an export market? a. Total costs increase by 2.725% O b. Total costs increase by 4.750% O c. Total costs increase by 5.000% O d. Total costs increase by 4.025%