Average corporate tax rates Using the corporate tax rate sch
Solution
$7,500: Tax liability: $7,500 * 0.15 = $1,125
After-tax earnings: $7,500 – $1,125 = $6,375
Average tax rate: $1,125 ÷ $7,500 = 15%
$78,800: Tax liability: $13,750 + [0.34 (78,800 – $75,000)]
$13,750+ 1292
Total tax =$15,042
After-tax earnings: $78,800 – $15,052 = $63,748
Average tax rate: $15,042 ÷ $78,800 = 19.09%
$297,000: Tax liability: $22,250 + [0.39 ($297,000 – $100,000)]
= $22,250 + (0.39 * $197,000)
= $22,250 + $76,830
Total tax= $99,080
After-tax earnings: $297,000 – $99,080 = $197,920
Average tax rate: $99,080 ÷ $297,000 = 33.36%
$496,000: Tax liability: $113,900 + [0.34 ($496,000 – $335,000)]
= $113,900 + (0.34 * $161,000)
= $113,900 + $54740
Total tax = $168,640
After-tax earnings: $496,000 – $168,640 = $327,360
Average tax rate: $168,640 ÷ $496,000 = 34%
$1,300,000: Tax liability: $113,900 + [0.34 ($1,300,000 – $335,000)]
= $113,900 + (0.34* $965,000)
= $113,900 + $328100
Total tax = $442,000
After-tax earnings: $1,300,000 – $442,000 = $858,000
Average tax rate: $442,000÷ $1,300,000 = 34%
$9,900,000: Tax liability: $113,900 + [0.34 ($9,900,000 – $335,000)]
= $113,900 + (0.34 *$9,565,000)
= $113,900 + $3,252,100
Total tax = 3366000
After-tax earnings: $9,900,000 – $3,366,000 = $6,534,000
Average tax rate: $3,366,000 ÷ $9,900,000 = 34%
$19,800,000: Tax liability: $6,416,667 + [0.35 * ($19,800,000 – $18,333,333)]
= $6,416,667 + (0.35* $1,466,667)
= $6,416,667 + 513333.45
Total tax = $ 6930000
After-tax earnings: $19,800,000 – $6,930,000 = $12870000
Average tax rate: $6,930,000 ÷ $19,800,000 = 35%

