\(Principal = Cost \;price \;of\; the \;scooter = Rs \;42,000\)
\(Depreciation\) = \(8\) % of \(Rs \;42,000\) \(per\; year\)
= \(Rs\) \(\bigg(42000 × 8 × \frac{1}{100}\bigg)\)
= \(Rs\) \(3360\)
Value after \(1\) year
= \(Rs\) \(42000 \)- \(Rs\) \(3360\)
= \(Rs\) \(38,640\)