please solve via financial calculator or with formula not excell thank you!

5. An insurance company is offering a new policy to its customers. Typically, the policy is bought by a parent or grandparent for a child at the child's birth. The details of the policy are as follows: The purchaser (say, the parent) makes the following six payments to the insurance company: First birthday $1,000 Second birthday $1,000 Third birthday $1,200 Fourth birthday $1,200 $1,500 Fifth birthday Sixth birthday $1,500 After the child's sixth birthday, no more payments are made. When the child reaches age 65, he or she receives $300,000. If the relevant interest rate is 4 percent for the first six years and 12 percent for all subsequent years, is the policy worth buying