7% per year. a. What is the value to you today of the promised store credit? b. Given your answer to a, what is the net cost of the extended warranty? a. What is the value to you today of the promised store credit? The value of the store credit today is $ (Round to the nearest cent.) b. Given your answer to a, what is the net cost of the extended warranty? The net cost of the extended warranty is $ (Round to the nearest cent.) 7% per year. a. What is the value to you today of the promised store credit? b. Given your answer to a, what is the net cost of the extended warranty? a. What is the value to you today of the promised store credit? The value of the store credit today is $ (Round to the nearest cent.) b. Given your answer to a, what is the net cost of the extended warranty? The net cost of the extended warranty is $ (Round to the nearest cent.)