DmL Inc

DmL Inc. has the balance sheet as shown below.  

Recently the yield on bonds similar to the ones that company has had fallen to 4.5%, so that the market value of the bonds is now about $705 million
The rate on company' short-term notes is equal the market's rate on these notes, which is 6%.

What are the company's total invested capital and capital structure weights?
What is the company's cost of equity according to CAPM, if the U.S. T-bond yield is 2.00 %, the long-term market risk premium is 6% and the company's levered beta is 1.1?
What is the company's WACC?
What would be the beta of a similar company that has no debt? You will need to estimate beta of bonds and short term debt using CAPM first

Additional Requirements

Other Requirements: Given
December 31, 2012
Liabilities and Owners' Capital " Balance Sheet
(Book Values) " "Invested Capital
(Market Values)"
Current Liabilities
Accounts payable $17,550,000
Notes payable 9,000,000 9,000,000
Other current liabilities` 14,560,000
Total current liabilities $41,110,000 $9,000,000
Long-term debt (6% interest paid semianually, due in 2017) $661,444,134 $705,000,000
Total liabilities $702,554,134 $714,000,000
Owners' Capital
Common stock ($1 par value per share) $20,000,000
Paid-in-capital 90,000,000
Accumulated earnings 255,000,000
Total owners' capital $365,000,000 $1,960,000,000
Total liabilities and owners' capital $1,067,554,134 $2,674,000,000

US Treasury Bond Yield 2.00%
Estimated Market or Equity Risk Premium 6.00%
Current Share Price $98.00
Market value of owners' equity
Current yield on the firm's long-term debt 4.50%
Current yield on the firm's short-term notes 6.00%
Dollar value of short term notes outstanding $9,000,000
Corporate tax rate 35%