Answer:
L4= 0.504%
Step-by-step explanation:
1 +1R4= {(1 +1R3)(1 + E(4r1) +L4)}1/4
1.0500 = {(1.0475)^3(1 + 0.0525 +L4)}1/4
(1.0500)^4= (1.0475)3^(1 + 0.0525 +L4)
(1.0500)^4/(1.0475)^3= 1 + 0.0525 + L4
(1.0500)4/(1.0475)^3-1.0525
L4= .0050358564 = 0.504%