Starbucks (Croatia). Starbucks opened its first store in Zagreb, Croatia, in October 2010. In Zagreb, the price of a tall vanilla latte is 25.73 Croatian Kunas (kn or HRK). In New York City, the price of a tall vanilla latte is $2.69. The exchange rate between Croatian kunas and U.S. dollars is kn5.6288 = $1. According to purchasing power parity, is the Croatian Kuna overvalued or undervalued? The percentage of overvaluation or undervaluation is 109.26 %. (Round to two decimal places.) (Select from the drop-down According to purchasing power parity, the Croatian kuna is overvalued menu.)