Can you help with questions 3, 7 and 8

The primary reason that borrowers were attracted to CMBS financing is

a)The tax-exempt status of REMICs

b)The high level of responsiveness to borrowers' needs by master servicers.

c)Long term, non-recourse, low interest rates & sometimes higher loan proceeds

d)All of the above

7)Some fixed-rate CMBS securitizations may include floating-rate tranches, an apparent contradiction. This conversion is accomplished by means of a(n)

a)Credit default swap

b)Interest rate cap

c)Interest rate swap

d)Floating rate option

8)A CMBS issuance is $1,550,000,000, of which the AAA tranches total $1,356,250,000 of principal balance, the AA tranche is $62,000,000 and the Single A tranche is $55,800,000.The subordination level, expressed as a percent, of the of the Single A ('A') tranche is

a)11%

b)4.9%

c)8.5%

d)3.9%