An executor of a decedent's estate that has only U.S. citizens as beneficiaries is required to file an income tax return if the estate's gross income for the year is at least

All of the following would be classed as real property, except:

A: Unextracted crude oil; B: Leasehold estates in residential properties; C: Uncultivated grove of trees; D: Easements appurtenant.

What features of an adjustable-rate mortgage will affect its cash flow?

What will be an ideal response?