Someone me the principal of lakeshore middle school wants to buy mechanical pencils with the school name on the for the school store. •the pencils can be bought from company p for $0.57 each, with free shipping. •the pencils can be bought from companit for $0.54 each, plus $4.95 for shipping. which statement is true about purchasing pencils from these two companies? a. only the cost model for company p results in linear graph. b. the graphs of the cost functions for each company will not interest. c. buying pencils from company t is always more expensive then buying pencils for company p, regardless of the number of pencils bought. d. the company with the least expensive option can only be determined once the number of pencils the principal wants to buy is known.