I hope I did not spend more than my budget was, got a bit confused by all that digits and in the end had so much of it :D

Name of Place: Wheat Town
Investment 1: Increase High School Capacity (50%)
Investment 2: Increase Entertainment Venue Capacity (50%)
Investment 3: Increase Hospital Capacity (5%)
Investment 4: Increase Transport Capacity (20%)

Name of Place: Corn Town
Investment 1: Increase Hospital Capacity (50%)
Investment 2: Increase High School Capacity (20%)
Investment 3: Increase Transport Capacity (20%)
Investment 4: Increase Entertainment Venue Capacity (10%)

Name of Place: Grain City
Investment 1: Increase Transport Capacity (50%)
Investment 2: Increase Entertainment Venue Capacity (20%)
Investment 3: Increase Hospital Capacity (10%)
Investment 4: Increase High School Capacity (10%)

Name of Place: Rice Town
Investment 1: Increase Hospital Capacity (50%)
Investment 2: Increase High School Capacity (50%)
Investment 3: Increase Transport Capacity (20%)
Investment 4: Increase Entertainment Venue Capacity (20%)