What rate would you need on a mortgage to be equivalent to a bond with 8% rate?

What rate would you need on a bond to be equivalent to a mortgage with 5.75% rate?

Rent is $10,000 per month for the next 60 months. Your cost of capital is 10%. What is the present value of the lease. The market rent is $12,000 per month for the next 60 months. What is the present value of the market lease.

How much is the present value and future value of an annuity that pays $20,000 per month for 5 years where the interest rate is 7%