The following tables provide book information on the Nodhead project.

	Year
	1	2	3	4	5	6
Book income for store
1	65.60	34.40	84.40	132.40	132.40	132.40
2		72.82	38.18	93.68	146.96	146.96
3			80.83	42.38	103.99	163.13
4				89.72	47.05	115.43
5					99.59	52.22
6						110.54
Total book income	65.60	38.42	41.75	178.74	330.81	499.60
Book value for store
1	1,003.21	836.01	668.81	501.61	334.41	167.21
2		1,113.56	927.97	742.38	556.79	371.19
3			1,236.06	1,030.05	824.04	618.03
4				1,372.02	1,143.35	914.68
5					1,522.94	1,269.12
6						1,690.47
Total book value	1,003.21	1,949.57	2,832.84	3,646.06	4,381.53	5,030.70

Assume a steady-state growth rate of 11% per year. Calculate the book ROI. (Negative answers should be indicated by a minus sign. Do not round intermediate calculations. Round your answers to 3 decimal places.)

	Year
	1	2	3	4	5	6
Book ROI