5. [6 marks) A continuous two life annuity has an actuarial present value of $2100. The annuity pays $145 while both (x) and (y) are alive, $140 while (x) survives after the failure of (y), and $80 while (y) survives after the failure of (x). Find the value of ry, given that x = 13 and y = 8. 5. [6 marks) A continuous two life annuity has an actuarial present value of $2100. The annuity pays $145 while both (x) and (y) are alive, $140 while (x) survives after the failure of (y), and $80 while (y) survives after the failure of (x). Find the value of ry, given that x = 13 and y = 8