Identify each type of financial​ institution: Institution Type Finance Companies ▼ Commercial Banks ▼ Contractual Savings Institution Investment Intermediary Depository Institution Life Insurance Companies ▼ Depository Institution Investment Intermediary Contractual Savings Institution Savings and Loan Associations ▼ Depository Institution Contractual Savings Institution Investment Intermediary Credit Unions ▼ Investment Intermediary Depository Institution Contractual Savings Institution Mutual Funds ▼ Investment Intermediary Contractual Savings Institution Depository Institution Investment Banks