*RUBIO IS SAID TO BACK TAX BILL AFTER CHILD CREDIT TWEAKS: CNBC
*BRADY SAYS HE HAS ALL SIGNATURES HE NEEDS, "IT'S DONE"
But the market seems unimpressed by the 'news'
Here is Bloomberg's breakdown of what we know so far as the final Republican bill heads for votes in the House and Senate next week.
Corporate Tax Rate
Current law: 35 percent
Proposed: 21 percent, beginning in 2018.
Individual State and Local Tax Deductions
Current law: Individuals can deduct the state and local taxes they pay, but the value is subject to certain limits for high earners.