The straight line trend for the sales of a cosmetic item (in thousands) in a district with an origin year 2013 is $y=5.9+1.3x$. The predicted sales of cosmetic items inn 2023 is :

18.9 thousands

The correct answer is Option (3) → 18.9 thousands

The given straight line trend equation,

$y=5.9+1.3x$

$x=Year-2013$

$=2023-2013=10$

$⇒y(10)=5.9+1.3×10$

= 18.9 thousands unit