Analysis of information sources in references of the Wikipedia article "Elcaset" in English language version.
…A Finnish company won the auction (by Sony international) and later sold those machines with 25 cassettes at a very low price: EL-5 + 25 cas. 795,- FIM and EL-7 + 25 cas. 1295,- FIM. It was mentioned in the ad that plain cassettes would cost normally about 1200 FIM. I think that US$ was in those days about 4,50 FIM, nowadays it's about 6 FIM. And you can believe it was a real sell-out. They sold about 2000 decks in Finland. …
…A Finnish company won the auction (by Sony international) and later sold those machines with 25 cassettes at a very low price: EL-5 + 25 cas. 795,- FIM and EL-7 + 25 cas. 1295,- FIM. It was mentioned in the ad that plain cassettes would cost normally about 1200 FIM. I think that US$ was in those days about 4,50 FIM, nowadays it's about 6 FIM. And you can believe it was a real sell-out. They sold about 2000 decks in Finland. …