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  • Values of the coefficients a and b for each set of formulas

    Payee is single

    Weekly earnings (x) less than

    a

    b

    $585

    0.0000

    0.0000

    $646

    0.1900

    111.2308

    $693

    0.3150

    192.0529

    $721

    0.4150

    261.3913

    $865

    0.4240

    267.8817

    $989

    0.4727

    309.9183

    $1,282

    0.3477

    186.2115

    $2,307

    0.3450

    182.7504

    $3,461

    0.3900

    286.5965

    $3,461 & over

    0.4700

    563.5196

    Payee is a member of an illness-separated couple

    Weekly earnings (x) less than

    a

    b

    $566

    0.0000

    0.0000

    $627

    0.1900

    107.5769

    $693

    0.3150

    185.9952

    $721

    0.4150

    255.3337

    $865

    0.4240

    261.8240

    $941

    0.4727

    303.8606

    $1,282

    0.3477

    186.2115

    $2,307

    0.3450

    182.7504

    $3,461

    0.3900

    286.5965

    $3,461 & over

    0.4700

    563.5196

    Payee is a member of a couple

    Weekly earnings (x) less than

    a

    b

    $521

    0.0000

    0.0000

    $583

    0.1900

    99.1538

    $693

    0.3150

    172.0288

    $721

    0.4150

    241.3673

    $829

    0.4240

    247.8577

    $865

    0.2990

    144.1750

    $1,282

    0.3477

    186.2115

    $2,307

    0.3450

    182.7504

    $3,461

    0.3900

    286.5965

    $3,461 & over

    0.4700

    563.5196

    Medicare levy parameters

    Weekly earnings threshold

    693

    Weekly earnings shade-in threshold

    866

    Medicare levy family threshold

    50,191

    Weekly family threshold divisor

    52

    Additional child

    3,533

    Shading out point multiplier

    0.1000

    Shading out point divisor

    0.0800

    Weekly levy adjustment factor

    693.3800

    Medicare levy

    0.0200

    Last modified: 13 Oct 2020QC 63805