English 
Español 
Português 
Deutsch 
Français 
Kiswahili 
Hausa 
አማርኛ Farfeshin faɗa mai ɓooyaɗe yana ƙara jiya a kan zaɓe wanda jiya ta zaɓa, yawanci mai iyaka na saman. Saboda farfeshiya na asali ya haɗa da iyakattaccen nau'i, farfeshin ƙara yawanci ya dawo kawai zuwa daidai — amma wani lokaci, musamman a kasuwa mara kariya, hakika yana tsaye sama da haka.
A binciken shi: kwatanta farfeshiya mai ɓooyaɗe tare da mafi kyau farfeshiya ba a ɓooyaɗe ba da jiya. Farfeshin ƓA 2.20 indai littattafai masu ƴa suna karantawa 2.10 shine gida mai sani a iyakattaccen girma; farfeshin ƓA 2.20 indai daidai farfeshiya shine 2.35 shine lissafi na farɗa.
Boost: 2.00 → 2.20, saman mafi yawa £10. Jiya ta musulunci ta karantawa zaɓin nan a 2.16, kusan 2.12 daidai bayan kudin haɗi. Karbar farfeshiya yana ɗauka (2.20 / 2.12 − 1) ≈ +3.8% jiyar da ake zata a saman iyakattaccen — ya kamata a karba, kuma ba ya kamata a rawar da shi zuwa farfeshin da ba a ɓooyaɗe na jiya.