please help

The service history of a certain car is such that 50% will need no repairs during the first year, 30% will have repair costs of $600 during the first year, 16% will have repair costs of $1400 during the first year, and the remaining cars will have costs of $5000 during their first year. Determine the price that the insurance company should change for a one-year extended warranty on this car if it wants to make an average profit of $70 per policy