 
<translate> Tambaya: Ronald yana son samun riba ta hanyar sake siyar da wasu wayoyin da ya saya mako guda da ya gabata. Ya sayi raka'a 200 a kan dala 3,000 kawai, kuma yana son ya samu kashi ɗaya bisa uku na jarin farko a riba lokacin da aka sayar da dukkan raka'a. Ciki har da ribar riba, nawa ne farashin siyar da kowace waya? A: 20 <eng> Q: Ronald wants to make profits by re-selling some phones he bought a week ago. He bought 200 units for just $3000, and he wants to gain a third of the initial investment in profits when all units are sold. Including the profit margin, what will be the selling price for each phone?
A: 20 