(Capital Adequacy under Basel I) National Bank has the following balance sheet (amount in millions). Assets Liabilities and Equity Cash $750 Treasury bills Residential mortgages* Corporate bonds $10 Deposits 40 Subordinated bonds 450 Common equity 400 Retained earnings Total assets $900 Total liabilities and equity $900 *uninsured mortgage. The bank also has off-balance sheet items including $40 million of Microsoft performance bonds, $55 million OECD bank 3-month standby letter of credit and $33 million forward purchase of crude oil from OECD public sector entity. Under Basel I Accord: (a) What is the risk-weighted on-balance-sheet assets? What is the risk- weighted off-balance-sheet assets? (b) According to Basel I, what is the minimum level of total regulatory capital, Tier 1 capital and common equity, respectively? (c) Does National Bank meet the Basel I minimum regulatory capital require- ment? (Capital Adequacy under Basel I) National Bank has the following balance sheet (amount in millions). Assets Liabilities and Equity Cash $750 Treasury bills Residential mortgages* Corporate bonds $10 Deposits 40 Subordinated bonds 450 Common equity 400 Retained earnings Total assets $900 Total liabilities and equity $900 *uninsured mortgage. The bank also has off-balance sheet items including $40 million of Microsoft performance bonds, $55 million OECD bank 3-month standby letter of credit and $33 million forward purchase of crude oil from OECD public sector entity. Under Basel I Accord: (a) What is the risk-weighted on-balance-sheet assets? What is the risk- weighted off-balance-sheet assets? (b) According to Basel I, what is the minimum level of total regulatory capital, Tier 1 capital and common equity, respectively? (c) Does National Bank meet the Basel I minimum regulatory capital require- ment