*Please show work, will upvote*

4. You have a deal with a publisher an will receive payments over the next 5 years as follows: $10k, $20k, $30k, $40k, & $50k (from p=1 to p=5). After year five you receive annuity of $85k from the sixth year (p=6) to the fifteenth year (p=15). The discount rate is ten %. What is the contract worth at this moment at p=0?