Accounting Software Market Assessment, By Deployment [Cloud-based, On-premises], By Component [Services, Software], By Type [Payroll Management Software, Custom Accounting Software, Billing & Invoice Software, Spreadsheets, Others], By Industry Vertical [BFSI, Retail, IT & Telecom, Manufacturing, Energy & Utilities, Healthcare, Media & Entertainment, Others], By Region, Opportunities and Forecast, 2016-2030F