Questions 1-6: Determine in expression for the present vest time for each of the following series of payment. The tual effective Interest rates Jack receive a payments that begin with the first payment of $2000 today. Each sequent payment decreased by SS per year of time 20 years and then each squent payment It increased by $100 until the fast payment at time years Questions 1-6: Determine in expression for the present vest time for each of the following series of payment. The tual effective Interest rates Jack receive a payments that begin with the first payment of $2000 today. Each sequent payment decreased by SS per year of time 20 years and then each squent payment It increased by $100 until the fast payment at time years