Tier 1 Doc Req, Imp Question

Hi,

I'm applying for PBS Tier 1 (G) from UK

I Qualify for Age 20, Degree 30, Wage 20, uk exp 5 = 75 point + 10 funds + 10 Eng = 95 points in total

Degree:

I have done 1st two years degree from Overseas and last Two years from UK

Degree Awared by UK university

Question i have ? do i need to submit my result from all 4 years or UK Degree+Transcript for final two year will be fine or wt doc i should submit

Wage: 23k+

As student i'm allowed 20 hours per week but compnay pay us Monthly basis and we know month is consist of 4.33 weeks ( Not exact 4 weeks) that why payslips show about 82hours per month

Question i have? what kind of explanation/doc i need to sumbit

Please advice

Regards

Arsh