There are errors in the code below. Provide the line number where the error occurs and the correct code.

$```$

import pandas as pd

Import numpy as np

data $=\{$

'Name' $[\text{'}$Alice$\text{'},$ 'Bob', 'Charlle", 'David', 'Eve'$],$

'Age' $[25,3$e$,$ None, $40,35],$

'Gender' $[\text{'}$F$\text{'},\text{'}$M$\text{'},\text{'}$M$\text{'},\text{'}$M$\text{'},\text{'}$F$\text{'}],$

'Income' $[50000,600$e$0,70000,$ 'Not Available', $55000],$

$`\}$

df $-$ pd$.$DataFrame$($data$)$

missing$\_$values $=$ df$\mathrm{.}1$snull$()$

df$[\text{'}$Age$\text{'}].$fillna$($df$[\text{'}$Age$\text{'}].$median$())$

df$[\text{'}$Income$\text{'}]=$ df$[\text{'}$Income$\text{'}],$replace$(\text{'}$Not Available', np$,$nan$)$

df $-$ df$.$dropna$($subset$-[\text{'}$Age$\text{'}])$

df $=$ df$.$drop$\_$duplicates$()$

df $=$ df$.$sort$\_$values$($by$=$'Income$*,$ ascending$=$False$)$

df $=$ df$[\text{'}$Age$\text{'}>3$e$]$

df$[\text{'}$Income$"]=$ pd$.$to$\_$numeric$($df$[\text{'}$Income$\text{'}],$ errors$=$'coerce'$)$

df$[\text{'}$Income$\text{'}]=$ df$[\text{'}$Income$\text{'}].$astype$($int$)$

print$($df$.$head$())$

$```$