Please help ASAP. Thank you.

The probability that equipment used in a hospital lab will need recalibration is given in the following table. A service firm is willing to perform maintenance and do any necessary calibrations for a fee of $625 per month, Recalibration costs $350 per time. (Round the answer of "Expected cost of recalibration" to nearest whole number.) Cliek here for the Excel Dota File Which approach would be most cost-effective, recalibration as needed or the service contract? Recalibration Service contract Both methods aro the same