Spouse visa on basis of Carer Allowance

A - C greater than equal to C (income support)

As per 2018/2019 benefits rates what should be the value of "C" for family of 4. A couple and two children age 2 and 12.

Please help.

A - C greater than equal to C (income support)

As per 2018/2019 benefits rates what should be the value of "C" for family of 4. A couple and two children age 2 and 12.

My spouse is in uk and is getting carer allowance and universal credit and her weekly income is £ 566
And she is paying rent plus council Tax 282.
A (566) - B (282) > C (?)
Please help. What should i take the value of C and do she qualifies so i can apply for spouse visa as per financial exemption criteria.

As per formula for adequate maintenance
A - B ≥ C (income support)
what should be the value of "C" for family of 4(A couple and two children age 2 and 12) As per 2018/2019 benefits rates.

My spouse is unemloyed in uk and is getting carer allowance and universal credit and her weekly income is £ 566 which includes *23.6 Council tax benefit * carer allowance 64 *Child benefit 34.
And she is paying rent plus council Tax £ 282
A (566) - B (282) > C (?)
Please help. What should i take the value of C and do she qualifies so i can apply for spouse visa as per financial exemption criteria.