. You have been hired as a consultant to a legal firm. Part of your assignment is to determine the size of a storage tank purchased in 1978 (CEPCI 219), before computerization of records Many records from this era were destroyed in a fire (not in the plant, but in a distant office building). The tank was replaced every 10 years, and the sizes have changed due to plant capacity changes. You have the information in the table below. Estimate the original capacity of this vessel. Tank Capacity (1000 gal) Date 1978 1988 1998 Purchased Cost $35,400 $45,300 $45,500 105 85