Software Solution (SOS) helps subscribers solve software problems. All transactions are made over the telephone. For the year 2018, 10 engineers, most of whom are recent graduates, handled 102,000 calls. The average yearly salary for software engineers was $41,000. Starting in 2019, the firm retained and hired only software engineers with at least 2 years of experience. SOS raised the engineers' salary to $56,000 per year. In 2019, eight engineers handled 120,000 calls. Required: 1. Calculate the partial operational productivity ratio for both years. 2. Calculate the partial financial productivity ratio for both years. (Round your answers to 4 decimal places.) 2018 2019 1. Operational partial productivity 2. Financial partial productivity