Answer:
Any free online application like Bitrix24 will be sufficient to have an overview of sales and orders, deals and leads and all relevant contact information.
A well and timely maintained excel sheet will also be sufficient.
Step-by-step explanation:
Zoom Vacuum needs to see ther future growth but are not eady to invest in full-blown cross-functional enterprise application. All the information will be stored in a single computer and managed by a single application over email or free online application.