MLE of binomial p under a bound

Let $x_1 = 0, x_2 = 1, x_3 = 1, x_4 = 1$ and $x_5 = 0$ be observed values of a random sample of size 5 from $\operatorname{Bin}(1, \theta)$ distribution, where $\theta \in (0, 0.7]$. Then the maximum likelihood estimate of $\theta$ based on the above sample is __________ (rounded off to two decimal places).