Final answer:
The nonmanufacturing costs budget for January is $18,000.
Step-by-step explanation:
To calculate the nonmanufacturing costs budget for January, we need to consider the marketing costs, distribution costs, and administrative costs. The marketing costs are $3,000, distribution costs are $5,000, and administrative costs are $10,000. Therefore, the total nonmanufacturing costs budget for January is $3,000 + $5,000 + $10,000 = $18,000.