What is the present value of an annuity of $6,000 per year, with the first cash flow

Question:

What is the present value of an of $6,000 per year, with the first cash flow received four years from today and the last one received 18 years from today? Use a of 8 percent.
Annuity
An annuity is a series of equal payment made at equal intervals during a period of time. In other words annuity is a contract between insurer and insurance company in which insurer make a lump-sum payment or a series of payment and, in return,... Discount Rate
Depending upon the context, the discount rate has two different definitions and usages. First, the discount rate refers to the interest rate charged to the commercial banks and other financial institutions for the loans they take from the Federal...