Busy Weekend

The plan of the coming Saturday:
1. Booking Ski Trip
2. Go to bank with Mom
3. Take suit to Father's shop
4. Get a pair of new glasses
5. Work out at gym

Optimal route: 2, 1, 3a, 4, 3b, 5
More likely route: 1, 2, 3a, 4, 3b, 5