1. Scheduled payments of $213, $267, and $813 are due in one dash and dash a dash half years, three dash and dash a dash half years, and six years respectively. What is the equivalent single replacement payment three years from now if interest is 6.9 % compounded quarterly question mark

The equivalent single replacement payment is $

2.

What is the accumulated value of $400 invested for 19 years at 3.7% p.a. compounded

(a) annually?(b) semi-annually?(c) quarterly? (d) monthly?