A company offers four plans for customers who want to rent dvds and video games. The costs of the plans can be modeled by a linear function that combines a one-time membership fee with a per disc rental rate. The table shows the total costs, including membership fees, for a person who rents 1, 2, and 5 discs in a month. Cost of repairs discs rented plan a plan b plan c plan d 1 $14 $12 $10 $12 2 $17 $16 $15 $21 5 $26 $28 $30 $48 which plan has the smallest one-time membership fee? plan a plan b plan c plan d.