(a) If a dealer buys a car from the manufacturer for $\$ 14,405$ and then sells it for $\$ 17,632$, what is his markup?
(b) In doing this problem, Angela got an incorrect answer of $18.3 \%$. What mistake did she make?
(a) The markup is $\%$.
(Type an integer or decimal rounded to the nearest tenth as needed.)
\(\boxed{3227}\) is the markup.
Step 1 :The dealer bought the car for $14,405 and sold it for $17,632.
Step 2 :The markup is the difference between the selling price and the cost price.
Step 3 :Subtract the cost price from the selling price to find the markup: \(17,632 - 14,405\).
Step 4 :Calculate the difference to find the markup.
Step 5 :\(\boxed{3227}\) is the markup.