Certainly! To provide the answer in 2 steps with explanations, I will first clarify what specific calculations are needed based on problem statement. --- ## Step1: Summing the Total Costs### Explanation: First, sum all costs mentioned for the month of May to find the total incurred costs. This includes advertising, keyboard, insurance, salary, wages, soldering material, security guard, and speakers. ### Calculation: \[ \textTotal costs} = 55,660 + 19,400 + 3,350 + 27,860 + 854 + 3,400 + 7,400 + 1,7006 \] (Note: The last value "1,7006" appears to be a typo; assuming it is 17,006 based on context.) \[ \text{Total costs} = 55,660 + 19,400 + 3,350 + 27,860 + 854 + 3,400 + 7,400 + 17,006 \] \[ \text{Total costs} = 134,930 \] --- ## Step 2: Allocate Costs for Each Product/Material ### Explanation: Using the total costs, allocate the expenses to each product/material based on the given data and assumptions, such as proportionate costs or specific formulas provided in the problem. --- ### Final step: Since the question asks for specific calculations such as dewort material, oreact later, etc., detailed formulas or proportions are needed from the problem. **Please specify which particular cost or product you want to calculate first, or if you want the overall total cost allocation.** --- **Final answer (total costs for May):** **\$134,930**