 
 <translate> Give the step-by-step reasoning process and then the final answer. Laura wants to bake a cake for her mother. She checks the recipe and the pantry and sees that she needs to buy 2 cups of flour, 2 cups of sugar, a cup of butter, and two eggs. The flour costs $4. The sugar costs $2. The eggs cost $.5, and the butter costs $2.5. When she is done baking it, she cuts the cake into 6 slices. Her mother enjoys a piece the first two days. But on the third day, they discover that Kevin, her dog, ate the rest of the cake. How much did the amount the dog ate cost? <hau> Bayyana tsarin tunani mataki-mataki sannan kuma amsar karshe. Laura tana son yin wa mahaifiyarta kek. Ta duba littafin da ke ɗauke da abincin kuma ta ga cewa tana bukatar ta sayi fulawa kofi biyu, sukari kofi biyu, man shanu kofi ɗaya, da kuma ƙwai biyu. Farin yana da dala 4. Sugar yana biyan $ 2. Kwai yana da dala 0.5, kuma man shanu yana da dala 2.5. Lokacin da ta gama yin burodi, sai ta yanka wainar cikin yanka 6. Mahaifiyarta tana jin daɗin wani yanki na kwanaki biyu na farko. Amma a rana ta uku, sun gano cewa Kevin, kare, ya ci sauran cake. Nawa ne kudin da kare ya ci? 