A system of accounting for manufacturing operations that produces timely information about inventories and manufacturing costs per unit of product is a:

The answer is cost accounting system.

Explanation:

Cost accounting is a tool that allows you to estimate the actual price of the products, which allows you to establish a profit margin for each unit sold. Depending on the activity of the company, several techniques are used such as production costing, process costing, standard costing, absorption costing, etc.