Ruby(39) Warner $230,000 un eagles in 2020. Her employer contribuye $1,850 to her health saving account during the year. Ruby also took advantage of a payroll deduction plan and made additional, pre-tax contributions of $1,300. She would like to make an additional contribution for 2020 of it will lower her tax liability. What is the maximum, fully deductible amount she can contribuye to her self-only plan?