Please answer the following question and give the explanation

1) A simple method to appraise the value of an apartment building is the: a] Cost approach b) Discounted cash ow c) Gross rent multiplier d] Comparable sales 2] Lenders prefer a deed of trust gym; a mortgage because: a) Fewer parties are involved b) Closing is easier c] Foreclosure is easier d) Interest rates are higher 3] When a lease requires a tenant to pay more rent when the tenant's sales volume increases over a certain amount, the additional rent paid is: a) Triple net rent b] Percentage rent c) Pass through rent d) CPI rent 4] When the early payments on an adjustable rate mortgage are scheduled at less than fully indexed amounts, the possibility exists for: a] Negative leverage b] Negative hypothecation c] Negative amortisation d] Negative credit report