Gina has a traditional health insurance plan. her deductible is $500. the level of co-insurance for her plan is 80/20, where 20 represents gina's portion. she does not have any co-payment. if gina incurs a $2,300 hospital bill, how much money must she pay out of pocket for the bill? a. $860 b. $1,800 c. $460 d. $1,840