A two-sample t-test has been conducted and the sample sizes are n1 = n2 = 10. The computed value of the test statistic is t0 = 2.15. If the null hypothesis is two-sided, an upper bound on the P-value is

(a) 0.10

(b) 0.05

(c) 0.025

(d) 0.01

(e) none of the above.