Software Solution (SOS) helps subscribers solve software problems. All transactions are made over the telephone. For the year 2018, 8 engineers, most of whom are recent graduates, handled 116,000 calls. The average yearly salary for software engineers was $55,000. Starting in 2019, the firm retained and hired only software engineers with at least 2 years of experience. SOS raised the engineers' salary to $70,000 per year. In 2019, five engineers handled 124,000 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