Yes, you will receive your refund.

Every business has operating expenses, and a sole proprietorship is no different. As long as your expenses are "ordinary and necessary," in the parlance of the Internal Revenue Service, you can claim them on your tax return.

Taking Business Tax Deductions https://turbotax.intuit.com/tax-tips/small-business-taxes/taking-business-tax-deductions/L5RueYPVS

Deducting Business Expenses