please answer this question in no less than 10 sentence

Campbellford Masks Inc is a small Canadian safety equipment manufacturer and exporter that has recently begun exporting successfully. After a recent major sale using the Open Account payment method was negotiated it found that it lacked the working capital (cash on hand + accounts receivable + short term investments) to purchase the materials, hire extra employees and expand warehouse capacity to support the production of this major sale. What trade finance tools or programs or could they use to address these financial stresses? Identify three options and describe how each of them might help Campbellford. (Do not include different payment methods)