Insurance Question. i would like an in dept explanation and detailed calculation. thank you

Lily has the following loss distribution for her medical expenses in the coming year. a) If Lily has a medical expense policy with full insurance, how much would the insurer be expected to pay for the medical expenses? b) If Lily has a medical expense policy with $300 deductible, how much would the insurer be expected to pay for the medical expenses? c) If Lily has a medical expense policy with $300 deductible, a 30 percent coinsurance, and a $60,000 limit, how much would the insurer be expected to pay for the medical expenses