Assuming the following data, what should be the price of an European call:

actual value of stock: $60$

strike price: $55$

duration: $2$ periods

rf: $6\%$

u$1$: $1\mathrm{.}1$

d$1$: $0\mathrm{.}9$

u$2$: $1\mathrm{.}15$

d$2$: $0\mathrm{.}8$