Apps Add to Babys UNIT 4 CHALLENGE 3: Working Capital Ma Sumayyah wants to expand her successful T-shirt printing business, but she needs extra capital. She finances the expansion by asking her suppliers to extend the period of time before she must pay them for their goods. What type of financing resource is Sumayyah using? a.) Commercial lending O b.) Trade credit O c.) Factoring d.) Peer-to-peer lending javascript:void(0)