Using the information provided by Santa Corporation, estimate the average life of the leases. present value

yr$1.148,239$

yr $2.252,800$

yr $3.278,327$

yr$4\mathrm{.}279,210$

yr $5,285,452$

yr $6,2,471,600$

$8\mathrm{.}66$ years

Not able to determine

$13\mathrm{.}66$ years

$10$ years