a typo in prize for "BB"

[dmSergey]

1. Exercise 9.5 (Test for All Bars)

if (same) {
symbol <- symbols[1]
if (symbol == "DD") {
prize <- 800
} else if (symbol == "7") {
prize <- 80
} else if (symbol == "BBB") {
prize <- 40
} else if (symbol == "BB") {
prize <- 5 ## should be “25”
} else if (symbol == "B") {
prize <- 10
} else if (symbol == "C") {
prize <- 10
} else if (symbol == "0") {
prize <- 0
}
}