Sandhill Company leases a machine that stuffs, seals, and stamps envelopes in one process. Sandhill's lease agreement calls for a base charge of $ 4.860 per year plus $0.29 for every envelope over 2,000 the machine processes per month. (a) What is the firm's total annual cost for the lease if a total of 3.500 envelopes are processed each month? Save for Later Attempts: 0 of 1 used Submit