Hey math assignment

1a)total reliefs=$3000+$2500+$2600+$2600
=$10700.
1b)chargable income =$40900-$10700
=$30200
1c)first $9000=2/100×9000=$180
subsequent $21200=5/100×21200
=$1060
total income tax payable=$1060+$180
=$1240
1d)1240/30200×100%=4.1059...%
=4.11%
2i)totalreliefs=$3000+$1000+$6000+$9600
=$19600
2ii)$4000×12=$48000
$48000-$19600=$28400
2iii)12/100×$28400=$3408
3)total reliefs=$3000+$2000+$1500+$1500
=$8000
Chargable income=$40000-$8000
=$32000
First $10000=10/100x$10000=$1000
Subsequent $22000=15/100×$22000=$3300
total income tax payable=$3300+$1000
=$4300