Summarize the information provided below.
Sales at River Technologies declined 6.2% in the first quarter of 2018 compared to the last quarter of 2017. Employee-related costs rose 7.8%, while operational costs increased to 10%.
River Technologies reported a 6.2% decline in sales in the first quarter of 2018 compared to the fourth quarter of 2017. Additionally, employee-related costs rose by 7.8% and operational costs increased by 10%.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Summarize the information provided below.

### Response:
River Technologies reported a 6.2% decline in sales in the first quarter of 2018 compared to the fourth quarter of 2017. Additionally, employee-related costs rose by 7.8% and operational costs increased by 10%.