Answer:I think: a) 4.875%b) 1170Step-by-step explanation:a) $4000 in 2002 and $3610 in 2004 => after 2 years, it have lower prices: 4000 - 3610 = $390$390 in $4000 = 390 : 4000 x 100= Β 9.75%It have lower the prices 9.75% after 2 years => each year: 4.875%b) base on the answers (a), we can guess it in 2008, it have after 6 years => 9.75 * 3 = Β 29.25% => 2008 will be: 4000 x 29.25 : 100 = 1170$