Stancill’s Sounds, Inc. manufactures and sells stereo system…

Stancill’s Sounds, Inc. manufactures and sells stereo systems that include an assurance-type warranty for the first 90 days. Stancill also offers an optional extended coverage plan under which it will repair or replace any defective part for 2 years beyond the expiration of the assurance-type warranty. The total transaction price for the sale of the stereo system and the extended warranty is $3,000. The standalone price of each is $2,100 and $900, respectively. Stancill collects $3,000 cash at the time of sale. The journal entry to record this sale will include a:

A six week old infant was for general review and vaccination…

A six week old infant was for general review and vaccination. On examination a grade 4 pan-systolic murmur was found and the infant was confirmed to having a ventricular septal defect. The murmur was not audible audible at day 3 review of life after birth. What is the most likely reason for not picking up the murmur at day 3?