After the cashier computed the total cost of the items bought by myrna, thelatter gave her credit card to the cashier. the total cost of the items is P10,000, however the credit balance of myrna was only P5000 because her son use his complimentary card beyod the amount permitted by myrna, Fortunately, Myrna had cash worth P5000. So Myrna offered to the cashier that P5000 be charged to the card while remaining P5000 will be ρáíd on cash. Can the cashier refuse to accept the offer of Myrna? Why? Why not?