Can anyone please form a equation for this benefit : A pension payable monthly in advance after 10 years at a rate of 10000 per annum if both are alive and 5000 per annum if only one life is alive. I have made a equation (of which i am attaching image) but not able to get the right answer from it nor able to find mistake in it :
a reply for this question is given here https://www.acted.co.uk/forums/index.php?threads/ct5-april-2017-qus10.14521/
