4.1B 4.2A 4.3B 4.4c 4.5c 4.6C 4.7c 4.8B 4.9A 4.10B 4.11partnership 4.12promotion 4.13required 4.14expectation 4.15installment 4.16likely 4.17investment; 4.18submit 4.19improvement 4.20advisable4.1B 4.2 A 4.3B 4.4C 4.5C 4.6C 4.7C 4.8B 4.9A 4.10B 4.11partnership 4.12promotion 4.13required 4.14expectation 4.15installment 4.16likely 4.17investment; 4.18submit 4.19improvement 4.20advisable