$23.93 will be deducted for HI tax.
Explanation:
Weekly pay (including sick pay)= 450
First-quarter commission= 1200
Total pay = Weekly pay (including sick pay) + First-quarter commission
 450 + 1200 = $1650
Amount to be deducted for HI tax: Â
=> Â $1650 x 1.45%= $23.925